Clean Properties, Inc., 111 Boston Post Road, Suite 211, Sudbury, MA 01776 Tel. (978) 443-6622 Fax (781) 577-1510 public@clean-properties.com

June 28, 2013 US Environmental Protection Agency 5 Post Office Square, Suite 100 Mail Code OEP06-4 Boston, MA 02109-3912 ATTN: Remediation General Permit NOI Processing

Re: Notice of Intent (NOI) for Remediation General Permit

8 Forest Street/ 5 High Street (the Site) Medford, Massachusetts

Dear Sir/Madam; Clean Properties is submitting the attached NOI to obtain a Remediation General Permit under the National Pollutant Discharge Elimination System for the properties located at 8 Forest Street/5 High Street. Clean Properties’ response actions at the Site are being conducted in accordance with the Massachusetts Contingency Plan 310 CMR 40.000. The Massachusetts Department of Environmental Protection (MassDEP) has assigned Release Tracking Number 3-26842 to the release of chlorinated dry cleaning compounds to soil and groundwater at the Site. This submittal includes the completed Notice of Intent and supporting documentation, which consists of the following attachments: Figure 1: Site Location Map Showing Discharge Point to Receiving Water Figure 2: Site Plan Showing Source of Discharge Subject to this NOI Figure 3: MassDEP Priority Resource Map of Sensitive Environmental Receptors Figure 4: Line Drawing Showing Flow of Discharge Water Through the Treatment System Figure 5: Documentation of Natural Heritage and Endangered Species Program Eligibility Appendix A: Best Management Practices Plan Appendix B: Laboratory Data Reports for Sampling Conducted to Support this NOI Appendix C: US Geological Survey Streamstats Output with Reported 7Q10 Appendix D: MassDEP 303(d) Water Quality Report for the Mystic River watershed Appendix E: Historic Areas Assessment Appendix F: Material Safety Data Sheets

FIGURES

Figure 1 – Site Location Map Showing Discharge Point to Receiving Waters 8 Forest Street/5 High Street, Medford, MA

Base map from US Geological Survey 2008 Color Ortho Imagery produced by MassGis

Outfall to Mystic River

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CLEAN PROPERTIES, INC.

WWW.CLEANPROPERTIES.COM

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Figure 3: MassDEP Priority Resource Map Sensitive Environmental Receptors

R:\Medford Forest St 0549\Figures\treatment plan sketch 042213.dwg, Layout1, 4/23/2013 2:18:15 PM,DWG To PDF.pc3

Figure 5 – Documentation of Endangered Species Act Eligibility

APPENDIX A

Clean Properties Inc Best Management Practices Plan Five High Street, Medford, Massachusetts June 2013 1.0 Introduction This Stormwater Best Management Practices Plan (BMPP) documents the methodology employed by Clean Properties to address the release of storm water and remedial wastewater into the City of Medford, Massachusetts (City) municipal storm water system. The BMPP contains all of the requisite information pursuant to the Remediation General Permit (RGP) under the National Pollutant Discharge Elimination System (NPDES) for discharges in Massachusetts. The objective of this BMPP is to minimize chlorinated solvent concentrations in the water that is being discharged to the Mystic River from the sump pits located within the commercial building at Five High Street in Medford, Massachusetts. The BMPP describes procedures for Operation, Maintenance, and Monitoring (OMM) of remedial discharges from Five High Street in Medford, Massachusetts, to protect public health, to safeguard fish and aquatic life and scenic and ecological values, and to enhance the domestic, municipal, recreational, industrial, and other uses of the Mystic River. To achieve this objective, this BMPP outlines specific remedial wastewater discharge design and performance standards. 2.0 Pollutant Sources & Types 2.1 Pollutant Sources The elevation of the basement floor in the commercial building located at Five High Street is intermittently, when subject to certain conditions, lower than the regional groundwater table elevation. To prevent the infiltration of water into this finished and occupied space, when and as required, there are two separate sump pump systems in place that withdraw groundwater from different regions of the building footprint and discharge it to the municipal storm water system. Present in this intermittently discharged sump water are dissolved phase concentrations of tetrachloroethylene, detected most recently at a concentration of the 130 micrograms per liter (ug/l). The source of the contamination in the sump water is in part attributed to a release of dry cleaning solvent at the neighboring Eight Forest Street property. However, based on historical uses, a release may also have occurred in the past at Five High Street that could potentially be contributing to the sump water concentrations of tetrachloroethylene. 2.2 Pollutant Types and Concentrations Pollutants associated with remedial wastewater at Five High Street may include the following chlorinated compounds: cis-1,2-dichloroethylene; tetrachloroethylene; and trichloroethylene. These chlorinated compounds have been detected in groundwater samples by laboratory analysis as part of response actions

conducted under the Massachusetts Contingency Plan 310 CMR 40.0000. Tetrachloroethylene is the primary Contaminant of Concern at the Site, and results from historic dry-cleaning releases at Eight Forest Street. The other detected chlorinated compounds are considered to be daughter products resulting from the degradation of tetrachloroethylene. The most recent groundwater sampling results, which are attached to this NPDES permit request, collected from the aforementioned sump detected the above-listed chlorinated compounds ranging in concentrations from 1.9 to 130 ug/l. 3.0 Pollutant Reduction Methodology Clean Properties intends to employ a combination of technologies to reduce concentrations of chlorinated compounds described in Section 2.0 to below the criteria required by National Recommended Water Quality Criteria for the receiving surface water body. A general schematic of the pollutant reduction processes is shown in Figure 4 – Treatment System Design. Sequentially, the treatment process will include bag filters, ozone treatment, and Granular Activated Carbon (GAC) filtration. Water to be discharged to the municipal storm water conveyance system will be pumped through parallel inline bag filters to remove any suspended solids as the first step in the treatment process. Reducing the amounts of solids in the sump water is expected to help homogenize ozone delivery to the sample stream and prevent clogging of the system overall. After solid particle removal in the bag filters, the influent water will be mixed with gas constituted of 4.7 percent ozone by weight, ozone being produced by oxygen supplied to the ozone unit by an in-line oxygen concentrator. The balance of the feed gas is elemental oxygen. A remote ozone monitoring system equipped with an alarm will also be installed to ensure that no ozone gas escapes the confines of the system. Should ozone gas be detected in ambient air at a concentration greater than 0.05 parts per million (ppm), the ozone generator will automatically shut down and Clean Properties will be notified automatically. The Occupational Safety and Health Administration (OSHA) 8 hour exposure limit is set at 0.1 ppm. Following ozone treatment, the water will enter a series of GAC canisters to remove residual ozone and absorb any potentially remaining Volatile Organic Compounds that were not destroyed by the ozone. Each canister will contain approximately two hundred pounds of GAC and will be rated for a 10 gallon per minute flow rate. A minimum of two and maximum of six GAC canisters will be utilized in series. After the water exits the GAC treatment system, the water will flow through a totalizer, which will track the total volume of water, before being discharged into the six inch cast iron pipe within the basement that ties into the storm water system. Clean Properties will conduct periodic effluent sampling of the GACs in accordance with the NPDES permit to determine if any contaminants remain in the treated water. Any anomalous increase in contaminant concentrations above surface water quality criteria will be suspect that breakthrough has occurred. Clean Properties will then replace the carbon and recycle the spent material in accordance

with the waste management described in Section 5.0. 4.0 Site Security Five High street entrance and egress points are locked 24 hours per day with the exception of the front entrance double door facing High Street which is open during normal business hours from approximately 08:00 hours to 17:00 hours Monday through Friday. On weekends the front door is locked and requires key access for admission. All working components of the treatment system will be located inside the Five High Street building. Additionally, working system components identified in Section 3.0 will be located inside locked basement utility rooms within the Five High Street building. Therefore, only persons who are authorized key holders to Five High Street electrical or utility rooms will be able to access the treatment system. 5.0 Management of Generated Waste Two types of wastes, bag filter sediment and spend carbon from the GACs, are expected to be generated by the treatment processes described in Section 3.0. The volume of bag filter sediment removed from the remedial wastewater is expected to be de minimis. Bag filters will be cleaned using distilled water to loosen the sediment; the rinse water will then be filtered and run through the described treatment process. The expected small volume of sediment so collected will be retained as remediation waste and treated on-Site in accordance with the Massachusetts Contingency Plan 310 CMR 40.0000. The clean bag filters will be reused in the treatment process. If periodic effluent sampling of the GAC canisters indicates that breakthrough has occurred or is likely to occur, Clean Properties will recycle the spent carbon. A sample of the GAC will be collected and submitted for to a Massachusetts-certified laboratory for landfill disposal characterization. Clean Properties will vacuum out the spent carbon using our vacuum excavation capabilities, package the spent carbon, and arrange for transportation to an approved disposal/recycling facility depending on the results of the disposal characterization. Clean Properties will then refill the GAC canisters with new carbon. Standby canisters will be used in the treatment process while awaiting new carbon to ensure that effluent continues to meet surface water quality criteria. 6.0 Prohibition of Discharge Exceeding Design Flow The discharge of sump water through the treatment system is expected to be intermittent rather than continuous and is expected to be dependent on the rate of inflow of primarily surface runoff during rainy days and groundwater inflow during periods of dry weather. Based on the surface area of the runoff drains located around the perimeter of Five High Street, Clean Properties estimates that a moderate rain fall event will create a maximum inflow to the sump of approximately 15 gallons of storm runoff per minute. During periods of dry weather, the inflow to the sump is expected to be less than 10 gallons per minute. Therefore, the GAC treatment system will be designed to accommodate a flow of 15 gallons per

minute plus a 40 percent safety margin to be conservative. Clean Properties will employ a submersible pump to push water through the treatment process described in Section 3.0 and into the municipal storm water conveyance system. The pump will be fitted with a float device to cease pump operation when the sump water level falls below the pump intake. The float device will prevent the sump pump from “running dry”. 7.0 Monitoring Total Flow Through the System Clean Properties will use a flow totalizer as the final component of the treatment system as shown in Figure 1. The flow controller will record daily changes in cumulative flow volumes and can be read on a monthly basis as part of Operation, Maintenance, and Monitoring of this BMPP. 8.0 Employee Training All response actions that will be performed under this RGP will be conducted under the oversight of a Massachusetts Licensed Site Professional and Licensed Wastewater Treatment Operator of at least Grade 3. Prior to implementing activities under the RGP, Clean Properties will prepare a Health and Safety Plan, which will establish the procedures, personnel responsibilities, and training necessary to protect the health and safety of all on-site personnel. The Health and Safety Plan will serve as the primary training mechanism for all new and seasoned employees in executing responsibilities of the RGP. The Health and Safety Plan provides training for conducting routine and hazardous field activities and preparing for unexpected Site emergencies. Clean Properties personnel and sub-contractors are expected to will familiarize themselves with the Health and Safety Plan and abide by the requirements contained herein. 9.0 Management of Run-On and Run-Off The treatment system as conceived is self-contained. That is, the sump where groundwater and storm water will accumulate and be pumped through the treatment system described herein is located entirely indoors and is constructed of concrete over the entire surface area. Inflow to the sump pit originates primarily from storm water during rain events and primarily from groundwater during dry periods. Maximum flows are accounted for in the design of the system. Aside from the sources of storm water and groundwater inflow to sump, no other sources of run-on or runoff are expected to be discharged to the sump as the sump is hydraulically isolated from any other source of water inflow. 10.0 Sediment Control, Erosion, and Scouring in the Receiving Water Body 10.1 Sediment Control Sediment control will be accomplished by utilizing the dual bag filters to remove sediment from sump water as the first step in the treatment process. Clean Properties intends to use bag filters composed of

polyester felt or equivalent material with a design particulate removal size of 50 microns or less. As described previously, these bag filters will be placed in the treatment stream prior to the introduction of ozone and prior to the GAC filtration media. Clean Properties will examine bag filters at periodic intervals for clogging, rips and deterioration which would reduce filtering capacity. Clean Properties endeavors to reuse and/or recycle where possible. However, if damage or filter wear is observed that could lead to filter failure, one or both bag filters as necessary will be removed and replaced with new units. 10.2 Erosion and Scouring in the Receiving Water Body Based on the US Geological Streamstats output contained in Appendix C, the 7Q10 low flow for the Mystic River in the vicinity of the outfall discharge which is the subject of this Notice of Intent is 3.3 cubic feet per second. As stated in the Notice of Intent, the maximum discharge through the treatment system, which will enter the storm water conveyance system that discharges to the Mystic River, is expected to be 20 gallons per minute. The conversion of 20 gallons per minute, which is expected to occur only infrequently in response to heavy rainfall events, to cubic feet per second results in a discharge through the treatment system of 0.044 or 1.4 percent of the 7Q10. Therefore, under the most adverse combined conditions of heavy precipitation and low river flow, the discharge which is the subject of this Notice of Intent will increase the river flow by approximately 1.4 percent. During the vast majority of the time, the contribution from the treatment system to total river flow will be much less than 1.4 percent. Clean Properties expects that the a flow increase of up to 1.4 percent is a de minimis volume increase and is not likely to exacerbate erosion and scouring in the receiving water body.

APPENDIX B

Laboratory Data Report 13D1148 Sampled April 26, 2013 To Support this Notice of Intent

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

May 6, 2013

Marcia Berger

Clean Properties

111 Boston Post Road, Suite 211

Sudbury, MA 01776

Project Location: 8 Forest St., Medford, MA

Client Job Number:

Project Number: 0549

Laboratory Work Order Number: 13D1148

Enclosed are results of analyses for samples received by the laboratory on April 29, 2013. If you have any questions concerning

this report, please feel free to contact me.

Sincerely,

Meghan E. Kelley

Project Manager

Page 1 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

ANALYTICAL SUMMARY

5/6/2013Clean Properties

111 Boston Post Road, Suite 211

Sudbury, MA 01776

ATTN: Marcia Berger

0549

13D1148

The results of analyses performed on the following samples submitted to the CON-TEST Analytical Laboratory are found in this report.

PROJECT LOCATION:

PURCHASE ORDER NUMBER:

PROJECT NUMBER:

REPORT DATE:

WORK ORDER NUMBER:

FIELD SAMPLE # LAB ID: MATRIX TESTSAMPLE DESCRIPTION SUB LAB

8 Forest St., Medford, MA

0549

Sump RGP Baseline 13D1148-01 Ground Water EPA 1664A

EPA 420.1

SW-846 6010C

SW-846 8082A

SW-846 8270D

SR-2 13D1148-02 Ground Water SW-846 8260C

Page 2 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

CASE NARRATIVE SUMMARY

All reported results are within defined laboratory quality control objectives unless listed below or otherwise qualified in this report.

Page 3 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

SW-846 8260C

Qualifications:

Laboratory fortified blank/laboratory control sample recovery and duplicate recoveries outside of control limits. Data validation is not

affected since all results are "not detected" for associated samples in this batch and bias is on the high side.

Analyte & Samples(s) Qualified:

Bromochloromethane, Carbon Disulfide, Diisopropyl Ether (DIPE), Methylene Chloride

B072135-BS1, B072135-BSD1

Laboratory fortified blank/laboratory control sample recovery and duplicate recovery are outside of control limits. Reported value for this

compound is likely to be biased on the low side.

Analyte & Samples(s) Qualified:

Naphthalene

13D1148-02[SR-2], B072135-BLK1, B072135-BS1, B072135-BSD1

Either laboratory fortified blank/laboratory control sample or duplicate recovery is outside of control limits, but the other is within limits. RPD

between the two LFB/LCS results is within method specified criteria.

Analyte & Samples(s) Qualified:

1,2-Dibromo-3-chloropropane (DBCP), tert-Butyl Ethyl Ether (TBEE)

B072135-BS1, B072135-BSD1

Either laboratory fortified blank/laboratory control sample or duplicate recovery is outside of control limits, but the other is within limits. RPD

outside of control limits. Reduced precision anticipated for any reported result for this compound.

Analyte & Samples(s) Qualified:

1,2,3-Trichlorobenzene

B072135-BS1

Compound classified by MA CAM as difficult with acceptable recoveries of 40-160%. Recovery does not meet 70-130% criteria but does

meet difficult compound criteria.

Analyte & Samples(s) Qualified:

2-Butanone (MEK), 2-Hexanone (MBK), Acetone, Bromomethane

B072135-BSD1, B072135-BS1

Laboratory fortified blank duplicate RPD is outside of control limits. Reduced precision is anticipated for any reported value for this

compound.

Analyte & Samples(s) Qualified:

1,2,3-Trichlorobenzene, 2-Hexanone (MBK), Naphthalene

13D1148-02[SR-2], B072135-BLK1, B072135-BS1, B072135-BSD1

Elevated reporting limit due to high concentration of target compounds. MA CAM reporting limit not met.

Analyte & Samples(s) Qualified:

13D1148-02[SR-2]

Continuing calibration did not meet method specifications and was biased on the low side for this compound. Increased uncertainty is

associated with the reported value which is likely to be biased on the low side.

Analyte & Samples(s) Qualified:

1,2,3-Trichlorobenzene, 1,2,4-Trichlorobenzene, 1,2-Dibromo-3-chloropropane (DBCP), Naphthalene

13D1148-02[SR-2], B072135-BLK1, B072135-BS1, B072135-BSD1

Page 4 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Response factor is less than method specified minimum acceptable value. Reduced precision and accuracy may be associated with reported

result.

Analyte & Samples(s) Qualified:

1,4-Dioxane

13D1148-02[SR-2], B072135-BLK1, B072135-BS1, B072135-BSD1

Continuing calibration did not meet method specifications and was biased on the high side. Data validation is not affected since sample result

was "not detected" for this compound.

Analyte & Samples(s) Qualified:

Carbon Disulfide, Chloromethane, Diisopropyl Ether (DIPE), Methylene Chloride

B072135-BS1, B072135-BSD1

SW-846 8270D

Qualifications:

Laboratory fortified blank/laboratory control sample recovery and duplicate recovery are outside of control limits. Reported value for this

compound is likely to be biased on the low side.

Analyte & Samples(s) Qualified:

2-Chloronaphthalene

13D1148-01[Sump RGP Baseline], B072107-BLK1, B072107-BS1, B072107-BSD1

Either laboratory fortified blank/laboratory control sample or duplicate recovery is outside of control limits, but the other is within limits. RPD

outside of control limits. Reduced precision anticipated for any reported result for this compound.

Analyte & Samples(s) Qualified:

Benzo(g,h,i)perylene

B072107-BSD1

Laboratory fortified blank duplicate RPD is outside of control limits. Reduced precision is anticipated for any reported value for this

compound.

Analyte & Samples(s) Qualified:

Benzo(g,h,i)perylene

13D1148-01[Sump RGP Baseline], B072107-BLK1, B072107-BS1

Continuing calibration did not meet method specifications and was biased on the low side for this compound. Increased uncertainty is

associated with the reported value which is likely to be biased on the low side.

Analyte & Samples(s) Qualified:

4-Chloroaniline, Anthracene, Di-n-butylphthalate

13D1148-01[Sump RGP Baseline], B072107-BLK1, B072107-BS1, B072107-BSD1

Page 5 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

SW-846 8260C

Laboratory control sample recoveries for required MCP Data Enhancement 8260 compounds were all within limits specified by the method except for �difficult analytes� where

recovery control limits of 40-160% are used and/or unless otherwise listed in this narrative. Difficult analytes: MIBK, MEK, acetone, 1,4-dioxane, chloromethane,

dichlorodifluoromethane, 2-hexanone, and bromomethane.

SW-846 8270D

Laboratory control sample recoveries for required MCP Data Enhancement 8270 compounds were all within control limits specified by the method, 40-140% for base/neutrals

and 30-130% for acids except for �difficult analytes� listed below and/or otherwise listed in this narrative. Difficult analytes limits are 15 and 140%: 2,4-dinitrophenol,

4-chloroaniline, 4-nitrophenol, and phenol.

The results of analyses reported only relate to samples submitted to the Con-Test Analytical Laboratory for testing.

I certify that the analyses listed above, unless specifically listed as subcontracted, if any, were performed under my direction according to the approved methodologies listed

in this document, and that based upon my inquiry of those individuals immediately responsible for obtaining the information, the material contained in this report is, to the

best of my knowledge and belief, accurate and complete.

Michael A. Erickson

Laboratory Director

Page 6 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Date Received: 4/29/2013

Work Order: 13D1148Sample Description:Project Location: 8 Forest St., Medford, MA

Sample ID: 13D1148-01

Field Sample #: Sump RGP Baseline

Sample Matrix: Ground Water

Sampled: 4/26/2013 11:23

AnalystAnalyzedDilution FlagRLResultsAnalyte

Date/Time

Units

Date

PreparedMethod

Semivolatile Organic Compounds by GC/MS

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Acenaphthene

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Acenaphthylene

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Acetophenone

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Aniline

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1 V-05Anthracene

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Benzo(a)anthracene

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Benzo(a)pyrene

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Benzo(b)fluoranthene

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1 R-05Benzo(g,h,i)perylene

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Benzo(k)fluoranthene

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Bis(2-chloroethoxy)methane

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Bis(2-chloroethyl)ether

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Bis(2-chloroisopropyl)ether

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Bis(2-Ethylhexyl)phthalate

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D14-Bromophenylphenylether

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Butylbenzylphthalate

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1 V-054-Chloroaniline

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1 L-042-Chloronaphthalene

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D12-Chlorophenol

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Chrysene

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Dibenz(a,h)anthracene

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Dibenzofuran

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1 V-05Di-n-butylphthalate

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D11,2-Dichlorobenzene

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D11,3-Dichlorobenzene

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D11,4-Dichlorobenzene

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D13,3-Dichlorobenzidine

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D12,4-Dichlorophenol

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Diethylphthalate

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D12,4-Dimethylphenol

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Dimethylphthalate

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D12,4-Dinitrophenol

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D12,4-Dinitrotoluene

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D12,6-Dinitrotoluene

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Di-n-octylphthalate

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D11,2-Diphenylhydrazine (as Azobenzene)

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Fluoranthene

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Fluorene

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Hexachlorobenzene

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Hexachlorobutadiene

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Hexachloroethane

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Indeno(1,2,3-cd)pyrene

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Isophorone

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D12-Methylnaphthalene

Page 7 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Date Received: 4/29/2013

Work Order: 13D1148Sample Description:Project Location: 8 Forest St., Medford, MA

Sample ID: 13D1148-01

Field Sample #: Sump RGP Baseline

Sample Matrix: Ground Water

Sampled: 4/26/2013 11:23

AnalystAnalyzedDilution FlagRLResultsAnalyte

Date/Time

Units

Date

PreparedMethod

Semivolatile Organic Compounds by GC/MS

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D12-Methylphenol

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D13/4-Methylphenol

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Naphthalene

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Nitrobenzene

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D12-Nitrophenol

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D14-Nitrophenol

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Pentachlorophenol

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Phenanthrene

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Phenol

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D1Pyrene

ND 5.0 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D11,2,4-Trichlorobenzene

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D12,4,5-Trichlorophenol

ND 10 5/2/13 15:41 CMRµg/L 4/30/13SW-846 8270D12,4,6-Trichlorophenol

Surrogates % Recovery Recovery Limits Flag

2-Fluorophenol 38.2 5/2/13 15:4115-110

Phenol-d6 34.3 5/2/13 15:4115-110

Nitrobenzene-d5 66.2 5/2/13 15:4130-130

2-Fluorobiphenyl 58.8 5/2/13 15:4130-130

2,4,6-Tribromophenol 66.3 5/2/13 15:4115-110

p-Terphenyl-d14 64.0 5/2/13 15:4130-130

Page 8 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Date Received: 4/29/2013

Work Order: 13D1148Sample Description:Project Location: 8 Forest St., Medford, MA

Sample ID: 13D1148-01

Field Sample #: Sump RGP Baseline

Sample Matrix: Ground Water

Sampled: 4/26/2013 11:23

AnalystAnalyzedDilution FlagRLResultsAnalyte

Date/Time

Units

Date

PreparedMethod

Polychlorinated Biphenyls By GC/ECD

ND 0.20 5/1/13 15:49 MJCµg/L 4/30/13SW-846 8082A1Aroclor-1016 [1]

ND 0.20 5/1/13 15:49 MJCµg/L 4/30/13SW-846 8082A1Aroclor-1221 [1]

ND 0.20 5/1/13 15:49 MJCµg/L 4/30/13SW-846 8082A1Aroclor-1232 [1]

ND 0.20 5/1/13 15:49 MJCµg/L 4/30/13SW-846 8082A1Aroclor-1242 [1]

ND 0.20 5/1/13 15:49 MJCµg/L 4/30/13SW-846 8082A1Aroclor-1248 [1]

ND 0.20 5/1/13 15:49 MJCµg/L 4/30/13SW-846 8082A1Aroclor-1254 [1]

ND 0.20 5/1/13 15:49 MJCµg/L 4/30/13SW-846 8082A1Aroclor-1260 [1]

ND 0.20 5/1/13 15:49 MJCµg/L 4/30/13SW-846 8082A1Aroclor-1262 [1]

ND 0.20 5/1/13 15:49 MJCµg/L 4/30/13SW-846 8082A1Aroclor-1268 [1]

Surrogates % Recovery Recovery Limits Flag

Decachlorobiphenyl [1] 87.1 5/1/13 15:4930-150

Decachlorobiphenyl [2] 97.7 5/1/13 15:4930-150

Tetrachloro-m-xylene [1] 84.5 5/1/13 15:4930-150

Tetrachloro-m-xylene [2] 91.7 5/1/13 15:4930-150

Page 9 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Date Received: 4/29/2013

Work Order: 13D1148Sample Description:Project Location: 8 Forest St., Medford, MA

Sample ID: 13D1148-01

Field Sample #: Sump RGP Baseline

Sample Matrix: Ground Water

Sampled: 4/26/2013 11:23

AnalystAnalyzedDilution FlagRLResultsAnalyte

Date/Time

Units

Date

PreparedMethod

Metals Analyses (Total)

0.16 0.050 5/1/13 13:48 OPmg/L 4/30/13SW-846 6010C1Iron

Page 10 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Date Received: 4/29/2013

Work Order: 13D1148Sample Description:Project Location: 8 Forest St., Medford, MA

Sample ID: 13D1148-01

Field Sample #: Sump RGP Baseline

Sample Matrix: Ground Water

Sampled: 4/26/2013 11:23

AnalystAnalyzedDilution FlagRLResultsAnalyte

Date/Time

Units

Date

PreparedMethod

Conventional Chemistry Parameters by EPA/APHA/SW-846 Methods (Total)

ND 0.050 5/6/13 11:00 LLmg/L 5/6/13EPA 420.11Phenol

ND 1.4 5/1/13 12:30 LLmg/L 5/1/13EPA 1664A1Silica Gel Treated HEM (SGT-HEM)

Page 11 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Date Received: 4/29/2013

Work Order: 13D1148Sample Description:Project Location: 8 Forest St., Medford, MA

Sample ID: 13D1148-02

Field Sample #: SR-2

Sample Matrix: Ground Water

Sampled: 4/26/2013 13:00

AnalystAnalyzedDilution FlagRLResultsAnalyte

Date/Time

Units

Date

PreparedMethod

Sample Flags: RL-05 Volatile Organic Compounds by GC/MS

1900 250 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Acetone

ND 120 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25tert-Amyl Methyl Ether (TAME)

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Benzene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Bromobenzene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Bromochloromethane

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Bromodichloromethane

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Bromoform

ND 50 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Bromomethane

3600 250 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C252-Butanone (MEK)

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25n-Butylbenzene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25sec-Butylbenzene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25tert-Butylbenzene

ND 120 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25tert-Butyl Ethyl Ether (TBEE)

ND 120 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Carbon Disulfide

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Carbon Tetrachloride

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Chlorobenzene

ND 12 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Chlorodibromomethane

ND 50 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Chloroethane

ND 50 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Chloroform

ND 50 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Chloromethane

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C252-Chlorotoluene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C254-Chlorotoluene

ND 50 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25 V-051,2-Dibromo-3-chloropropane (DBCP)

ND 12 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,2-Dibromoethane (EDB)

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Dibromomethane

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,2-Dichlorobenzene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,3-Dichlorobenzene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,4-Dichlorobenzene

ND 50 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Dichlorodifluoromethane (Freon 12)

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,1-Dichloroethane

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,2-Dichloroethane

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,1-Dichloroethylene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25cis-1,2-Dichloroethylene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25trans-1,2-Dichloroethylene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,2-Dichloropropane

ND 12 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,3-Dichloropropane

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C252,2-Dichloropropane

ND 12 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,1-Dichloropropene

ND 10 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25cis-1,3-Dichloropropene

ND 10 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25trans-1,3-Dichloropropene

ND 50 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Diethyl Ether

ND 12 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Diisopropyl Ether (DIPE)

ND 1200 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25 V-161,4-Dioxane

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Ethylbenzene

Page 12 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Date Received: 4/29/2013

Work Order: 13D1148Sample Description:Project Location: 8 Forest St., Medford, MA

Sample ID: 13D1148-02

Field Sample #: SR-2

Sample Matrix: Ground Water

Sampled: 4/26/2013 13:00

AnalystAnalyzedDilution FlagRLResultsAnalyte

Date/Time

Units

Date

PreparedMethod

Sample Flags: RL-05 Volatile Organic Compounds by GC/MS

ND 12 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Hexachlorobutadiene

ND 250 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25 R-052-Hexanone (MBK)

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Isopropylbenzene (Cumene)

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25p-Isopropyltoluene (p-Cymene)

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Methyl tert-Butyl Ether (MTBE)

ND 120 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Methylene Chloride

ND 250 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C254-Methyl-2-pentanone (MIBK)

ND 50 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25 L-04, R-05, V-05Naphthalene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25n-Propylbenzene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Styrene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,1,1,2-Tetrachloroethane

ND 12 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,1,2,2-Tetrachloroethane

31 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Tetrachloroethylene

4900 50 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Tetrahydrofuran

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Toluene

ND 50 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25 R-05, V-051,2,3-Trichlorobenzene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25 V-051,2,4-Trichlorobenzene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,1,1-Trichloroethane

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,1,2-Trichloroethane

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Trichloroethylene

ND 50 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Trichlorofluoromethane (Freon 11)

ND 50 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,2,3-Trichloropropane

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,2,4-Trimethylbenzene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C251,3,5-Trimethylbenzene

ND 50 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25Vinyl Chloride

ND 50 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25m+p Xylene

ND 25 5/2/13 18:16 EEHµg/L 5/2/13SW-846 8260C25o-Xylene

Surrogates % Recovery Recovery Limits Flag

1,2-Dichloroethane-d4 98.8 5/2/13 18:1670-130

Toluene-d8 103 5/2/13 18:1670-130

4-Bromofluorobenzene 99.0 5/2/13 18:1670-130

Page 13 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Sample Extraction Data

EPA 1664A

Lab Number [Field ID] Batch DateInitial [mL]

B072123 05/01/13100013D1148-01 [Sump RGP Baseline]

EPA 420.1

Lab Number [Field ID] Batch DateInitial [mL] Final [mL]

B072208 05/06/1350.0 50.013D1148-01 [Sump RGP Baseline]

Prep Method: SW-846 3005A-SW-846 6010C

Lab Number [Field ID] Batch DateInitial [mL] Final [mL]

B072099 04/30/1350.0 50.013D1148-01 [Sump RGP Baseline]

Prep Method: SW-846 3510C-SW-846 8082A

Lab Number [Field ID] Batch DateInitial [mL] Final [mL]

B072119 04/30/131000 10.013D1148-01 [Sump RGP Baseline]

Prep Method: SW-846 5030B-SW-846 8260C

Lab Number [Field ID] Batch DateInitial [mL] Final [mL]

B072135 05/02/130.2 5.0013D1148-02 [SR-2]

Prep Method: SW-846 3510C-SW-846 8270D

Lab Number [Field ID] Batch DateInitial [mL] Final [mL]

B072107 04/30/131000 1.0013D1148-01 [Sump RGP Baseline]

Page 14 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Result Limit

Reporting

Units Level

Spike

Result

Source

%REC

%REC

Limits RPD

RPD

Limit Notes Analyte

Volatile Organic Compounds by GC/MS - Quality Control

QUALITY CONTROL

Batch B072135 - SW-846 5030B

Blank (B072135-BLK1) Prepared: 05/01/13 Analyzed: 05/02/13

Acetone µg/L10ND

tert-Amyl Methyl Ether (TAME) µg/L5.0ND

Benzene µg/L1.0ND

Bromobenzene µg/L1.0ND

Bromochloromethane µg/L1.0ND

Bromodichloromethane µg/L1.0ND

Bromoform µg/L1.0ND

Bromomethane µg/L2.0ND

2-Butanone (MEK) µg/L10ND

n-Butylbenzene µg/L1.0ND

sec-Butylbenzene µg/L1.0ND

tert-Butylbenzene µg/L1.0ND

tert-Butyl Ethyl Ether (TBEE) µg/L5.0ND

Carbon Disulfide µg/L5.0ND

Carbon Tetrachloride µg/L1.0ND

Chlorobenzene µg/L1.0ND

Chlorodibromomethane µg/L0.50ND

Chloroethane µg/L2.0ND

Chloroform µg/L2.0ND

Chloromethane µg/L2.0ND

2-Chlorotoluene µg/L1.0ND

4-Chlorotoluene µg/L1.0ND

1,2-Dibromo-3-chloropropane (DBCP) µg/L2.0 V-05ND

1,2-Dibromoethane (EDB) µg/L0.50ND

Dibromomethane µg/L1.0ND

1,2-Dichlorobenzene µg/L1.0ND

1,3-Dichlorobenzene µg/L1.0ND

1,4-Dichlorobenzene µg/L1.0ND

Dichlorodifluoromethane (Freon 12) µg/L2.0ND

1,1-Dichloroethane µg/L1.0ND

1,2-Dichloroethane µg/L1.0ND

1,1-Dichloroethylene µg/L1.0ND

cis-1,2-Dichloroethylene µg/L1.0ND

trans-1,2-Dichloroethylene µg/L1.0ND

1,2-Dichloropropane µg/L1.0ND

1,3-Dichloropropane µg/L0.50ND

2,2-Dichloropropane µg/L1.0ND

1,1-Dichloropropene µg/L0.50ND

cis-1,3-Dichloropropene µg/L0.40ND

trans-1,3-Dichloropropene µg/L0.40ND

Diethyl Ether µg/L2.0ND

Diisopropyl Ether (DIPE) µg/L0.50ND

1,4-Dioxane µg/L50 V-16ND

Ethylbenzene µg/L1.0ND

Hexachlorobutadiene µg/L0.50ND

2-Hexanone (MBK) µg/L10 R-05ND

Isopropylbenzene (Cumene) µg/L1.0ND

p-Isopropyltoluene (p-Cymene) µg/L1.0ND

Methyl tert-Butyl Ether (MTBE) µg/L1.0ND

Methylene Chloride µg/L5.0ND

4-Methyl-2-pentanone (MIBK) µg/L10ND

Naphthalene µg/L2.0 L-04, R-05, V-05ND

Page 15 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Result Limit

Reporting

Units Level

Spike

Result

Source

%REC

%REC

Limits RPD

RPD

Limit Notes Analyte

Volatile Organic Compounds by GC/MS - Quality Control

QUALITY CONTROL

Batch B072135 - SW-846 5030B

Blank (B072135-BLK1) Prepared: 05/01/13 Analyzed: 05/02/13

n-Propylbenzene µg/L1.0ND

Styrene µg/L1.0ND

1,1,1,2-Tetrachloroethane µg/L1.0ND

1,1,2,2-Tetrachloroethane µg/L0.50ND

Tetrachloroethylene µg/L1.0ND

Tetrahydrofuran µg/L2.0ND

Toluene µg/L1.0ND

1,2,3-Trichlorobenzene µg/L2.0 R-05, V-05ND

1,2,4-Trichlorobenzene µg/L1.0 V-05ND

1,1,1-Trichloroethane µg/L1.0ND

1,1,2-Trichloroethane µg/L1.0ND

Trichloroethylene µg/L1.0ND

Trichlorofluoromethane (Freon 11) µg/L2.0ND

1,2,3-Trichloropropane µg/L2.0ND

1,2,4-Trimethylbenzene µg/L1.0ND

1,3,5-Trimethylbenzene µg/L1.0ND

Vinyl Chloride µg/L2.0ND

m+p Xylene µg/L2.0ND

o-Xylene µg/L1.0ND

µg/L 25.0 70-130Surrogate: 1,2-Dichloroethane-d4 99.324.8

µg/L 25.0 70-130Surrogate: Toluene-d8 99.524.9

µg/L 25.0 70-130Surrogate: 4-Bromofluorobenzene 97.924.5

LCS (B072135-BS1) Prepared: 05/01/13 Analyzed: 05/02/13

Acetone µg/L10 100 40-160124 �124

tert-Amyl Methyl Ether (TAME) µg/L5.0 10.0 70-13011611.6

Benzene µg/L1.0 10.0 70-13011911.9

Bromobenzene µg/L1.0 10.0 70-13010210.2

Bromochloromethane µg/L1.0 10.0 L-0270-130134 *13.4

Bromodichloromethane µg/L1.0 10.0 70-13010210.2

Bromoform µg/L1.0 10.0 70-13083.98.39

Bromomethane µg/L2.0 10.0 L-1440-16062.5 �6.25

2-Butanone (MEK) µg/L10 100 40-160114 �114

n-Butylbenzene µg/L1.0 10.0 70-13011011.0

sec-Butylbenzene µg/L1.0 10.0 70-13011711.7

tert-Butylbenzene µg/L1.0 10.0 70-13011611.6

tert-Butyl Ethyl Ether (TBEE) µg/L5.0 10.0 70-13012212.2

Carbon Disulfide µg/L5.0 10.0 L-02, V-2070-130141 *14.1

Carbon Tetrachloride µg/L1.0 10.0 70-13010310.3

Chlorobenzene µg/L1.0 10.0 70-13011011.0

Chlorodibromomethane µg/L0.50 10.0 70-13010210.2

Chloroethane µg/L2.0 10.0 70-13012312.3

Chloroform µg/L2.0 10.0 70-13098.79.87

Chloromethane µg/L2.0 10.0 V-2040-160106 �10.6

2-Chlorotoluene µg/L1.0 10.0 70-13011011.0

4-Chlorotoluene µg/L1.0 10.0 70-13011311.3

1,2-Dibromo-3-chloropropane (DBCP) µg/L2.0 10.0 L-07, V-0570-13064.3 *6.43

1,2-Dibromoethane (EDB) µg/L0.50 10.0 70-13099.69.96

Dibromomethane µg/L1.0 10.0 70-13010310.3

1,2-Dichlorobenzene µg/L1.0 10.0 70-13010910.9

1,3-Dichlorobenzene µg/L1.0 10.0 70-13011311.3

1,4-Dichlorobenzene µg/L1.0 10.0 70-13010410.4

Page 16 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Result Limit

Reporting

Units Level

Spike

Result

Source

%REC

%REC

Limits RPD

RPD

Limit Notes Analyte

Volatile Organic Compounds by GC/MS - Quality Control

QUALITY CONTROL

Batch B072135 - SW-846 5030B

LCS (B072135-BS1) Prepared: 05/01/13 Analyzed: 05/02/13

Dichlorodifluoromethane (Freon 12) µg/L2.0 10.0 40-16071.0 �7.10

1,1-Dichloroethane µg/L1.0 10.0 70-13012012.0

1,2-Dichloroethane µg/L1.0 10.0 70-13095.59.55

1,1-Dichloroethylene µg/L1.0 10.0 70-13011911.9

cis-1,2-Dichloroethylene µg/L1.0 10.0 70-13011511.5

trans-1,2-Dichloroethylene µg/L1.0 10.0 70-13012812.8

1,2-Dichloropropane µg/L1.0 10.0 70-13011811.8

1,3-Dichloropropane µg/L0.50 10.0 70-13010310.3

2,2-Dichloropropane µg/L1.0 10.0 70-13010910.9

1,1-Dichloropropene µg/L0.50 10.0 70-13011711.7

cis-1,3-Dichloropropene µg/L0.40 10.0 70-13011111.1

trans-1,3-Dichloropropene µg/L0.40 10.0 70-13011811.8

Diethyl Ether µg/L2.0 10.0 70-13011511.5

Diisopropyl Ether (DIPE) µg/L0.50 10.0 L-02, V-2070-130148 *14.8

1,4-Dioxane µg/L50 100 V-1640-16097.7 �97.7

Ethylbenzene µg/L1.0 10.0 70-13010910.9

Hexachlorobutadiene µg/L0.50 10.0 70-13010610.6

2-Hexanone (MBK) µg/L10 100 R-0540-160107 �107

Isopropylbenzene (Cumene) µg/L1.0 10.0 70-13010910.9

p-Isopropyltoluene (p-Cymene) µg/L1.0 10.0 70-13011611.6

Methyl tert-Butyl Ether (MTBE) µg/L1.0 10.0 70-13011411.4

Methylene Chloride µg/L5.0 10.0 L-02, V-2070-130156 *15.6

4-Methyl-2-pentanone (MIBK) µg/L10 100 40-160104 �104

Naphthalene µg/L2.0 10.0 L-04, R-05, V-0570-13052.6 *5.26

n-Propylbenzene µg/L1.0 10.0 70-13010910.9

Styrene µg/L1.0 10.0 70-13010810.8

1,1,1,2-Tetrachloroethane µg/L1.0 10.0 70-13010210.2

1,1,2,2-Tetrachloroethane µg/L0.50 10.0 70-13085.28.52

Tetrachloroethylene µg/L1.0 10.0 70-13011111.1

Tetrahydrofuran µg/L2.0 10.0 70-13011611.6

Toluene µg/L1.0 10.0 70-13011111.1

1,2,3-Trichlorobenzene µg/L2.0 10.0 L-07A, R-05, V-0570-13056.3 *5.63

1,2,4-Trichlorobenzene µg/L1.0 10.0 V-0570-13080.78.07

1,1,1-Trichloroethane µg/L1.0 10.0 70-13010710.7

1,1,2-Trichloroethane µg/L1.0 10.0 70-13095.79.57

Trichloroethylene µg/L1.0 10.0 70-13010310.3

Trichlorofluoromethane (Freon 11) µg/L2.0 10.0 70-13010110.1

1,2,3-Trichloropropane µg/L2.0 10.0 70-13083.58.35

1,2,4-Trimethylbenzene µg/L1.0 10.0 70-13010810.8

1,3,5-Trimethylbenzene µg/L1.0 10.0 70-13097.19.71

Vinyl Chloride µg/L2.0 10.0 70-13010210.2

m+p Xylene µg/L2.0 20.0 70-13011022.0

o-Xylene µg/L1.0 10.0 70-13011011.0

µg/L 25.0 70-130Surrogate: 1,2-Dichloroethane-d4 95.824.0

µg/L 25.0 70-130Surrogate: Toluene-d8 10025.1

µg/L 25.0 70-130Surrogate: 4-Bromofluorobenzene 96.624.2

Page 17 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Result Limit

Reporting

Units Level

Spike

Result

Source

%REC

%REC

Limits RPD

RPD

Limit Notes Analyte

Volatile Organic Compounds by GC/MS - Quality Control

QUALITY CONTROL

Batch B072135 - SW-846 5030B

LCS Dup (B072135-BSD1) Prepared: 05/01/13 Analyzed: 05/02/13

Acetone µg/L10 100 20 L-1440-160148 17.8 �148

tert-Amyl Methyl Ether (TAME) µg/L5.0 10.0 2070-130130 10.813.0

Benzene µg/L1.0 10.0 2070-130117 1.5211.7

Bromobenzene µg/L1.0 10.0 2070-130104 1.6510.4

Bromochloromethane µg/L1.0 10.0 20 L-0270-130133 0.975*13.3

Bromodichloromethane µg/L1.0 10.0 2070-130103 1.5610.3

Bromoform µg/L1.0 10.0 2070-13090.1 7.139.01

Bromomethane µg/L2.0 10.0 2040-16074.2 17.1 �7.42

2-Butanone (MEK) µg/L10 100 20 L-1440-160138 19.4 �138

n-Butylbenzene µg/L1.0 10.0 2070-130107 2.1210.7

sec-Butylbenzene µg/L1.0 10.0 2070-130113 3.5711.3

tert-Butylbenzene µg/L1.0 10.0 2070-130115 1.2111.5

tert-Butyl Ethyl Ether (TBEE) µg/L5.0 10.0 20 L-0770-130135 10.3*13.5

Carbon Disulfide µg/L5.0 10.0 20 L-02, V-2070-130136 3.10*13.6

Carbon Tetrachloride µg/L1.0 10.0 2070-130105 1.3410.5

Chlorobenzene µg/L1.0 10.0 2070-130108 2.5710.8

Chlorodibromomethane µg/L0.50 10.0 2070-130108 5.8310.8

Chloroethane µg/L2.0 10.0 2070-130122 0.81612.2

Chloroform µg/L2.0 10.0 2070-130102 2.8010.2

Chloromethane µg/L2.0 10.0 20 V-2040-160112 5.87 �11.2

2-Chlorotoluene µg/L1.0 10.0 2070-130107 2.8710.7

4-Chlorotoluene µg/L1.0 10.0 2070-130110 2.3311.0

1,2-Dibromo-3-chloropropane (DBCP) µg/L2.0 10.0 20 V-0570-13078.1 19.47.81

1,2-Dibromoethane (EDB) µg/L0.50 10.0 2070-130108 8.3710.8

Dibromomethane µg/L1.0 10.0 2070-130106 2.9810.6

1,2-Dichlorobenzene µg/L1.0 10.0 2070-130114 4.4111.4

1,3-Dichlorobenzene µg/L1.0 10.0 2070-130112 0.80011.2

1,4-Dichlorobenzene µg/L1.0 10.0 2070-130104 0.28910.4

Dichlorodifluoromethane (Freon 12) µg/L2.0 10.0 2040-16070.7 0.423 �7.07

1,1-Dichloroethane µg/L1.0 10.0 2070-130120 0.25112.0

1,2-Dichloroethane µg/L1.0 10.0 2070-13099.7 4.309.97

1,1-Dichloroethylene µg/L1.0 10.0 2070-130116 2.1311.6

cis-1,2-Dichloroethylene µg/L1.0 10.0 2070-130116 0.69111.6

trans-1,2-Dichloroethylene µg/L1.0 10.0 2070-130126 1.0212.6

1,2-Dichloropropane µg/L1.0 10.0 2070-130121 2.5112.1

1,3-Dichloropropane µg/L0.50 10.0 2070-130114 10.611.4

2,2-Dichloropropane µg/L1.0 10.0 2070-130115 5.3511.5

1,1-Dichloropropene µg/L0.50 10.0 2070-130113 3.6611.3

cis-1,3-Dichloropropene µg/L0.40 10.0 2070-130117 5.0111.7

trans-1,3-Dichloropropene µg/L0.40 10.0 2070-130128 8.0312.8

Diethyl Ether µg/L2.0 10.0 2070-130124 7.6212.4

Diisopropyl Ether (DIPE) µg/L0.50 10.0 20 L-02, V-2070-130160 7.34*16.0

1,4-Dioxane µg/L50 100 20 V-1640-160113 14.3 �113

Ethylbenzene µg/L1.0 10.0 2070-130105 3.4610.5

Hexachlorobutadiene µg/L0.50 10.0 2070-13099.7 6.319.97

2-Hexanone (MBK) µg/L10 100 20 L-14, R-0540-160132 21.0 �*132

Isopropylbenzene (Cumene) µg/L1.0 10.0 2070-130107 1.8510.7

p-Isopropyltoluene (p-Cymene) µg/L1.0 10.0 2070-130113 2.7911.3

Methyl tert-Butyl Ether (MTBE) µg/L1.0 10.0 2070-130129 12.812.9

Methylene Chloride µg/L5.0 10.0 20 L-02, V-2070-130163 4.31*16.3

4-Methyl-2-pentanone (MIBK) µg/L10 100 2040-160121 14.5 �121

Naphthalene µg/L2.0 10.0 20 L-04, R-05, V-0570-13068.5 26.3* *6.85

Page 18 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Result Limit

Reporting

Units Level

Spike

Result

Source

%REC

%REC

Limits RPD

RPD

Limit Notes Analyte

Volatile Organic Compounds by GC/MS - Quality Control

QUALITY CONTROL

Batch B072135 - SW-846 5030B

LCS Dup (B072135-BSD1) Prepared: 05/01/13 Analyzed: 05/02/13

n-Propylbenzene µg/L1.0 10.0 2070-130110 1.4611.0

Styrene µg/L1.0 10.0 2070-130108 0.27810.8

1,1,1,2-Tetrachloroethane µg/L1.0 10.0 2070-130101 0.69210.1

1,1,2,2-Tetrachloroethane µg/L0.50 10.0 2070-13093.5 9.299.35

Tetrachloroethylene µg/L1.0 10.0 2070-130108 2.1910.8

Tetrahydrofuran µg/L2.0 10.0 2070-130116 0.51811.6

Toluene µg/L1.0 10.0 2070-130112 0.98711.2

1,2,3-Trichlorobenzene µg/L2.0 10.0 20 R-05, V-0570-13073.5 26.5 *7.35

1,2,4-Trichlorobenzene µg/L1.0 10.0 20 V-0570-13089.0 9.788.90

1,1,1-Trichloroethane µg/L1.0 10.0 2070-130106 0.65910.6

1,1,2-Trichloroethane µg/L1.0 10.0 2070-130106 10.410.6

Trichloroethylene µg/L1.0 10.0 2070-130105 2.2110.5

Trichlorofluoromethane (Freon 11) µg/L2.0 10.0 2070-13097.8 3.329.78

1,2,3-Trichloropropane µg/L2.0 10.0 2070-13091.8 9.479.18

1,2,4-Trimethylbenzene µg/L1.0 10.0 2070-130107 1.0210.7

1,3,5-Trimethylbenzene µg/L1.0 10.0 2070-13096.9 0.2069.69

Vinyl Chloride µg/L2.0 10.0 2070-130100 1.5910.0

m+p Xylene µg/L2.0 20.0 2070-130106 3.4221.3

o-Xylene µg/L1.0 10.0 2070-130107 2.2110.7

µg/L 25.0 70-130Surrogate: 1,2-Dichloroethane-d4 99.624.9

µg/L 25.0 70-130Surrogate: Toluene-d8 10325.8

µg/L 25.0 70-130Surrogate: 4-Bromofluorobenzene 97.924.5

Page 19 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Result Limit

Reporting

Units Level

Spike

Result

Source

%REC

%REC

Limits RPD

RPD

Limit Notes Analyte

Semivolatile Organic Compounds by GC/MS - Quality Control

QUALITY CONTROL

Batch B072107 - SW-846 3510C

Blank (B072107-BLK1) Prepared: 04/30/13 Analyzed: 05/02/13

Acenaphthene µg/L5.0ND

Acenaphthylene µg/L5.0ND

Acetophenone µg/L10ND

Aniline µg/L5.0ND

Anthracene µg/L5.0 V-05ND

Benzo(a)anthracene µg/L5.0ND

Benzo(a)pyrene µg/L5.0ND

Benzo(b)fluoranthene µg/L5.0ND

Benzo(g,h,i)perylene µg/L5.0 R-05ND

Benzo(k)fluoranthene µg/L5.0ND

Bis(2-chloroethoxy)methane µg/L10ND

Bis(2-chloroethyl)ether µg/L10ND

Bis(2-chloroisopropyl)ether µg/L10ND

Bis(2-Ethylhexyl)phthalate µg/L10ND

4-Bromophenylphenylether µg/L10ND

Butylbenzylphthalate µg/L10ND

4-Chloroaniline µg/L10 V-05ND

2-Chloronaphthalene µg/L10 L-04ND

2-Chlorophenol µg/L10ND

Chrysene µg/L5.0ND

Dibenz(a,h)anthracene µg/L5.0ND

Dibenzofuran µg/L5.0ND

Di-n-butylphthalate µg/L10 V-05ND

1,2-Dichlorobenzene µg/L5.0ND

1,3-Dichlorobenzene µg/L5.0ND

1,4-Dichlorobenzene µg/L5.0ND

3,3-Dichlorobenzidine µg/L10ND

2,4-Dichlorophenol µg/L10ND

Diethylphthalate µg/L10ND

2,4-Dimethylphenol µg/L10ND

Dimethylphthalate µg/L10ND

2,4-Dinitrophenol µg/L10ND

2,4-Dinitrotoluene µg/L10ND

2,6-Dinitrotoluene µg/L10ND

Di-n-octylphthalate µg/L10ND

1,2-Diphenylhydrazine (as Azobenzene) µg/L10ND

Fluoranthene µg/L5.0ND

Fluorene µg/L5.0ND

Hexachlorobenzene µg/L10ND

Hexachlorobutadiene µg/L10ND

Hexachloroethane µg/L5.0ND

Indeno(1,2,3-cd)pyrene µg/L5.0ND

Isophorone µg/L10ND

2-Methylnaphthalene µg/L5.0ND

2-Methylphenol µg/L10ND

3/4-Methylphenol µg/L10ND

Naphthalene µg/L5.0ND

Nitrobenzene µg/L10ND

2-Nitrophenol µg/L10ND

4-Nitrophenol µg/L10ND

Pentachlorophenol µg/L10ND

Phenanthrene µg/L5.0ND

Page 20 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Result Limit

Reporting

Units Level

Spike

Result

Source

%REC

%REC

Limits RPD

RPD

Limit Notes Analyte

Semivolatile Organic Compounds by GC/MS - Quality Control

QUALITY CONTROL

Batch B072107 - SW-846 3510C

Blank (B072107-BLK1) Prepared: 04/30/13 Analyzed: 05/02/13

Phenol µg/L10ND

Pyrene µg/L5.0ND

1,2,4-Trichlorobenzene µg/L5.0ND

2,4,5-Trichlorophenol µg/L10ND

2,4,6-Trichlorophenol µg/L10ND

µg/L 200 15-110Surrogate: 2-Fluorophenol 37.274.4

µg/L 200 15-110Surrogate: Phenol-d6 36.372.6

µg/L 100 30-130Surrogate: Nitrobenzene-d5 69.469.4

µg/L 100 30-130Surrogate: 2-Fluorobiphenyl 61.861.8

µg/L 200 15-110Surrogate: 2,4,6-Tribromophenol 58.7117

µg/L 100 30-130Surrogate: p-Terphenyl-d14 65.965.9

LCS (B072107-BS1) Prepared: 04/30/13 Analyzed: 05/02/13

Acenaphthene µg/L5.0 100 40-14074.174.1

Acenaphthylene µg/L5.0 100 40-14070.470.4

Acetophenone µg/L10 100 40-14081.981.9

Aniline µg/L5.0 100 40-14045.745.7

Anthracene µg/L5.0 100 V-0540-14065.765.7

Benzo(a)anthracene µg/L5.0 100 40-14097.497.4

Benzo(a)pyrene µg/L5.0 100 40-14091.591.5

Benzo(b)fluoranthene µg/L5.0 100 40-140108108

Benzo(g,h,i)perylene µg/L5.0 100 R-0540-14043.643.6

Benzo(k)fluoranthene µg/L5.0 100 40-14071.071.0

Bis(2-chloroethoxy)methane µg/L10 100 40-140102102

Bis(2-chloroethyl)ether µg/L10 100 40-14087.287.2

Bis(2-chloroisopropyl)ether µg/L10 100 40-14084.684.6

Bis(2-Ethylhexyl)phthalate µg/L10 100 40-14084.784.7

4-Bromophenylphenylether µg/L10 100 40-14073.673.6

Butylbenzylphthalate µg/L10 100 40-14088.888.8

4-Chloroaniline µg/L10 100 V-0515-14052.5 �52.5

2-Chloronaphthalene µg/L10 100 L-0440-14035.6 *35.6

2-Chlorophenol µg/L10 100 30-13079.679.6

Chrysene µg/L5.0 100 40-14077.177.1

Dibenz(a,h)anthracene µg/L5.0 100 40-14057.057.0

Dibenzofuran µg/L5.0 100 40-14073.973.9

Di-n-butylphthalate µg/L10 100 V-0540-14077.677.6

1,2-Dichlorobenzene µg/L5.0 100 40-14077.477.4

1,3-Dichlorobenzene µg/L5.0 100 40-14077.077.0

1,4-Dichlorobenzene µg/L5.0 100 40-14075.775.7

3,3-Dichlorobenzidine µg/L10 100 40-14059.359.3

2,4-Dichlorophenol µg/L10 100 30-13079.679.6

Diethylphthalate µg/L10 100 40-14068.568.5

2,4-Dimethylphenol µg/L10 100 30-13083.783.7

Dimethylphthalate µg/L10 100 40-14079.779.7

2,4-Dinitrophenol µg/L10 100 15-14081.2 �81.2

2,4-Dinitrotoluene µg/L10 100 40-14069.469.4

2,6-Dinitrotoluene µg/L10 100 40-14057.057.0

Di-n-octylphthalate µg/L10 100 40-140106106

1,2-Diphenylhydrazine (as Azobenzene) µg/L10 100 40-14086.286.2

Fluoranthene µg/L5.0 100 40-14082.582.5

Fluorene µg/L5.0 100 40-14068.268.2

Hexachlorobenzene µg/L10 100 40-14077.377.3

Page 21 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Result Limit

Reporting

Units Level

Spike

Result

Source

%REC

%REC

Limits RPD

RPD

Limit Notes Analyte

Semivolatile Organic Compounds by GC/MS - Quality Control

QUALITY CONTROL

Batch B072107 - SW-846 3510C

LCS (B072107-BS1) Prepared: 04/30/13 Analyzed: 05/02/13

Hexachlorobutadiene µg/L10 100 40-14071.771.7

Hexachloroethane µg/L5.0 100 40-14065.065.0

Indeno(1,2,3-cd)pyrene µg/L5.0 100 40-14059.759.7

Isophorone µg/L10 100 40-14087.287.2

2-Methylnaphthalene µg/L5.0 100 40-14072.572.5

2-Methylphenol µg/L10 100 30-13089.289.2

3/4-Methylphenol µg/L10 100 30-13081.681.6

Naphthalene µg/L5.0 100 40-14070.370.3

Nitrobenzene µg/L10 100 40-14078.578.5

2-Nitrophenol µg/L10 100 30-13081.081.0

4-Nitrophenol µg/L10 100 15-14078.9 �78.9

Pentachlorophenol µg/L10 100 30-130100100

Phenanthrene µg/L5.0 100 40-14080.780.7

Phenol µg/L10 100 15-14052.4 �52.4

Pyrene µg/L5.0 100 40-14085.585.5

1,2,4-Trichlorobenzene µg/L5.0 100 40-14075.875.8

2,4,5-Trichlorophenol µg/L10 100 30-13071.671.6

2,4,6-Trichlorophenol µg/L10 100 30-13093.293.2

µg/L 200 15-110Surrogate: 2-Fluorophenol 65.0130

µg/L 200 15-110Surrogate: Phenol-d6 47.094.0

µg/L 100 30-130Surrogate: Nitrobenzene-d5 79.979.9

µg/L 100 30-130Surrogate: 2-Fluorobiphenyl 75.075.0

µg/L 200 15-110Surrogate: 2,4,6-Tribromophenol 71.7143

µg/L 100 30-130Surrogate: p-Terphenyl-d14 81.681.6

LCS Dup (B072107-BSD1) Prepared: 04/30/13 Analyzed: 05/02/13

Acenaphthene µg/L5.0 100 2040-14071.4 3.7571.4

Acenaphthylene µg/L5.0 100 2040-14069.3 1.6369.3

Acetophenone µg/L10 100 2040-14079.5 2.9879.5

Aniline µg/L5.0 100 2040-14051.7 12.351.7

Anthracene µg/L5.0 100 20 V-0540-14060.8 7.7360.8

Benzo(a)anthracene µg/L5.0 100 2040-14086.6 11.786.6

Benzo(a)pyrene µg/L5.0 100 2040-14083.7 8.8383.7

Benzo(b)fluoranthene µg/L5.0 100 2040-14098.6 8.7498.6

Benzo(g,h,i)perylene µg/L5.0 100 20 L-07A40-14035.3 21.1* *35.3

Benzo(k)fluoranthene µg/L5.0 100 2040-14067.5 5.1067.5

Bis(2-chloroethoxy)methane µg/L10 100 2040-14094.7 7.7794.7

Bis(2-chloroethyl)ether µg/L10 100 2040-14082.2 5.9582.2

Bis(2-chloroisopropyl)ether µg/L10 100 2040-14080.7 4.8380.7

Bis(2-Ethylhexyl)phthalate µg/L10 100 2040-14082.4 2.7882.4

4-Bromophenylphenylether µg/L10 100 2040-14068.0 7.9268.0

Butylbenzylphthalate µg/L10 100 2040-14082.4 7.4482.4

4-Chloroaniline µg/L10 100 20 V-0515-14043.5 18.7 �43.5

2-Chloronaphthalene µg/L10 100 20 L-0440-14038.6 8.07*38.6

2-Chlorophenol µg/L10 100 2030-13076.4 4.1776.4

Chrysene µg/L5.0 100 2040-14077.9 1.0677.9

Dibenz(a,h)anthracene µg/L5.0 100 2040-14051.7 9.7851.7

Dibenzofuran µg/L5.0 100 2040-14069.0 6.8469.0

Di-n-butylphthalate µg/L10 100 20 V-0540-14066.8 14.966.8

1,2-Dichlorobenzene µg/L5.0 100 2040-14072.6 6.4172.6

1,3-Dichlorobenzene µg/L5.0 100 2040-14071.8 6.9271.8

1,4-Dichlorobenzene µg/L5.0 100 2040-14071.1 6.2171.1

Page 22 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Result Limit

Reporting

Units Level

Spike

Result

Source

%REC

%REC

Limits RPD

RPD

Limit Notes Analyte

Semivolatile Organic Compounds by GC/MS - Quality Control

QUALITY CONTROL

Batch B072107 - SW-846 3510C

LCS Dup (B072107-BSD1) Prepared: 04/30/13 Analyzed: 05/02/13

3,3-Dichlorobenzidine µg/L10 100 2040-14060.3 1.7460.3

2,4-Dichlorophenol µg/L10 100 2030-13074.7 6.4074.7

Diethylphthalate µg/L10 100 2040-14065.2 4.9865.2

2,4-Dimethylphenol µg/L10 100 2030-13079.6 4.9779.6

Dimethylphthalate µg/L10 100 2040-14073.2 8.5673.2

2,4-Dinitrophenol µg/L10 100 2015-14074.7 8.37 �74.7

2,4-Dinitrotoluene µg/L10 100 2040-14067.7 2.5167.7

2,6-Dinitrotoluene µg/L10 100 2040-14059.2 3.7859.2

Di-n-octylphthalate µg/L10 100 2040-14093.0 12.793.0

1,2-Diphenylhydrazine (as Azobenzene) µg/L10 100 2040-14077.0 11.377.0

Fluoranthene µg/L5.0 100 2040-14070.3 15.970.3

Fluorene µg/L5.0 100 2040-14065.1 4.6565.1

Hexachlorobenzene µg/L10 100 2040-14072.4 6.5972.4

Hexachlorobutadiene µg/L10 100 2040-14066.2 8.0266.2

Hexachloroethane µg/L5.0 100 2040-14060.4 7.2360.4

Indeno(1,2,3-cd)pyrene µg/L5.0 100 2040-14049.4 19.049.4

Isophorone µg/L10 100 2040-14080.7 7.7680.7

2-Methylnaphthalene µg/L5.0 100 2040-14066.0 9.3366.0

2-Methylphenol µg/L10 100 2030-13083.8 6.2283.8

3/4-Methylphenol µg/L10 100 2030-13079.9 2.1379.9

Naphthalene µg/L5.0 100 2040-14064.4 8.7564.4

Nitrobenzene µg/L10 100 2040-14074.2 5.7174.2

2-Nitrophenol µg/L10 100 2030-13075.8 6.6375.8

4-Nitrophenol µg/L10 100 2015-14069.1 13.2 �69.1

Pentachlorophenol µg/L10 100 2030-13082.1 19.682.1

Phenanthrene µg/L5.0 100 2040-14067.3 18.067.3

Phenol µg/L10 100 2015-14043.4 18.8 �43.4

Pyrene µg/L5.0 100 2040-14077.0 10.577.0

1,2,4-Trichlorobenzene µg/L5.0 100 2040-14069.0 9.5069.0

2,4,5-Trichlorophenol µg/L10 100 2030-13071.2 0.54771.2

2,4,6-Trichlorophenol µg/L10 100 2030-13085.5 8.6585.5

µg/L 200 15-110Surrogate: 2-Fluorophenol 59.6119

µg/L 200 15-110Surrogate: Phenol-d6 43.587.0

µg/L 100 30-130Surrogate: Nitrobenzene-d5 75.075.0

µg/L 100 30-130Surrogate: 2-Fluorobiphenyl 73.873.8

µg/L 200 15-110Surrogate: 2,4,6-Tribromophenol 63.6127

µg/L 100 30-130Surrogate: p-Terphenyl-d14 73.873.8

Page 23 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Result Limit

Reporting

Units Level

Spike

Result

Source

%REC

%REC

Limits RPD

RPD

Limit Notes Analyte

Polychlorinated Biphenyls By GC/ECD - Quality Control

QUALITY CONTROL

Batch B072119 - SW-846 3510C

Blank (B072119-BLK1) Prepared: 04/30/13 Analyzed: 05/01/13

Aroclor-1016 µg/L0.20ND

Aroclor-1016 [2C] µg/L0.20ND

Aroclor-1221 µg/L0.20ND

Aroclor-1221 [2C] µg/L0.20ND

Aroclor-1232 µg/L0.20ND

Aroclor-1232 [2C] µg/L0.20ND

Aroclor-1242 µg/L0.20ND

Aroclor-1242 [2C] µg/L0.20ND

Aroclor-1248 µg/L0.20ND

Aroclor-1248 [2C] µg/L0.20ND

Aroclor-1254 µg/L0.20ND

Aroclor-1254 [2C] µg/L0.20ND

Aroclor-1260 µg/L0.20ND

Aroclor-1260 [2C] µg/L0.20ND

Aroclor-1262 µg/L0.20ND

Aroclor-1262 [2C] µg/L0.20ND

Aroclor-1268 µg/L0.20ND

Aroclor-1268 [2C] µg/L0.20ND

µg/L 2.00 30-150Surrogate: Decachlorobiphenyl 92.61.85

µg/L 2.00 30-150Surrogate: Decachlorobiphenyl [2C] 1042.08

µg/L 2.00 30-150Surrogate: Tetrachloro-m-xylene 85.61.71

µg/L 2.00 30-150Surrogate: Tetrachloro-m-xylene [2C] 94.21.88

LCS (B072119-BS1) Prepared: 04/30/13 Analyzed: 05/01/13

Aroclor-1016 µg/L0.20 0.500 40-1401100.55

Aroclor-1016 [2C] µg/L0.20 0.500 40-1401100.55

Aroclor-1260 µg/L0.20 0.500 40-1401050.53

Aroclor-1260 [2C] µg/L0.20 0.500 40-1401160.58

µg/L 2.00 30-150Surrogate: Decachlorobiphenyl 95.91.92

µg/L 2.00 30-150Surrogate: Decachlorobiphenyl [2C] 1082.16

µg/L 2.00 30-150Surrogate: Tetrachloro-m-xylene 89.51.79

µg/L 2.00 30-150Surrogate: Tetrachloro-m-xylene [2C] 99.31.99

LCS Dup (B072119-BSD1) Prepared: 04/30/13 Analyzed: 05/01/13

Aroclor-1016 µg/L0.20 0.500 2040-140103 6.840.51

Aroclor-1016 [2C] µg/L0.20 0.500 2040-140102 7.100.51

Aroclor-1260 µg/L0.20 0.500 2040-14097.1 8.030.49

Aroclor-1260 [2C] µg/L0.20 0.500 2040-140106 8.200.53

µg/L 2.00 30-150Surrogate: Decachlorobiphenyl 94.81.90

µg/L 2.00 30-150Surrogate: Decachlorobiphenyl [2C] 1072.13

µg/L 2.00 30-150Surrogate: Tetrachloro-m-xylene 85.91.72

µg/L 2.00 30-150Surrogate: Tetrachloro-m-xylene [2C] 95.01.90

Page 24 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Result Limit

Reporting

Units Level

Spike

Result

Source

%REC

%REC

Limits RPD

RPD

Limit Notes Analyte

Metals Analyses (Total) - Quality Control

QUALITY CONTROL

Batch B072099 - SW-846 3005A

Blank (B072099-BLK1) Prepared: 04/30/13 Analyzed: 05/01/13

Iron mg/L0.050ND

LCS (B072099-BS1) Prepared: 04/30/13 Analyzed: 05/01/13

Iron mg/L0.050 0.500 80-1201040.520

LCS Dup (B072099-BSD1) Prepared: 04/30/13 Analyzed: 05/01/13

Iron mg/L0.050 0.500 2080-120104 0.1930.521

Page 25 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

Result Limit

Reporting

Units Level

Spike

Result

Source

%REC

%REC

Limits RPD

RPD

Limit Notes Analyte

Conventional Chemistry Parameters by EPA/APHA/SW-846 Methods (Total) - Quality Control

QUALITY CONTROL

Batch B072123 - EPA 1664A

Blank (B072123-BLK1) Prepared & Analyzed: 05/01/13

Silica Gel Treated HEM (SGT-HEM) mg/L1.4ND

LCS (B072123-BS1) Prepared & Analyzed: 05/01/13

Silica Gel Treated HEM (SGT-HEM) mg/L 20.0 64-13210220

Duplicate (B072123-DUP1) Prepared & Analyzed: 05/01/13 Source: 13D1148-01

Silica Gel Treated HEM (SGT-HEM) mg/L1.4 18NCND ND

Batch B072208 - EPA 420.1

Blank (B072208-BLK1) Prepared & Analyzed: 05/06/13

Phenol mg/L0.050ND

LCS (B072208-BS1) Prepared & Analyzed: 05/06/13

Phenol mg/L0.050 0.500 80.2-1331130.57

LCS Dup (B072208-BSD1) Prepared & Analyzed: 05/06/13

Phenol mg/L0.050 0.500 20.780.2-133111 1.570.56

Duplicate (B072208-DUP1) Prepared & Analyzed: 05/06/13 Source: 13D1148-01

Phenol mg/L0.050 20NCND ND

Matrix Spike (B072208-MS1) Prepared & Analyzed: 05/06/13 Source: 13D1148-01

Phenol mg/L0.050 0.500 36.6-1631180.59 ND

Page 26 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

FLAG/QUALIFIER SUMMARY

* QC result is outside of established limits.

� Wide recovery limits established for difficult compound.

� Wide RPD limits established for difficult compound.

# Data exceeded client recommended or regulatory level

Percent recoveries and relative percent differences (RPDs) are determined by the software using values in the

calculation which have not been rounded.

Laboratory fortified blank/laboratory control sample recovery and duplicate recoveries outside of control limits.

Data validation is not affected since all results are "not detected" for associated samples in this batch and bias is

on the high side.

L-02

Laboratory fortified blank/laboratory control sample recovery and duplicate recovery are outside of control limits.

Reported value for this compound is likely to be biased on the low side.

L-04

Either laboratory fortified blank/laboratory control sample or duplicate recovery is outside of control limits, but

the other is within limits. RPD between the two LFB/LCS results is within method specified criteria.

L-07

Either laboratory fortified blank/laboratory control sample or duplicate recovery is outside of control limits, but

the other is within limits. RPD outside of control limits. Reduced precision anticipated for any reported result for

this compound.

L-07A

Compound classified by MA CAM as difficult with acceptable recoveries of 40-160%. Recovery does not meet

70-130% criteria but does meet difficult compound criteria.

L-14

Laboratory fortified blank duplicate RPD is outside of control limits. Reduced precision is anticipated for any

reported value for this compound.

R-05

Elevated reporting limit due to high concentration of target compounds. MA CAM reporting limit not met.RL-05

Continuing calibration did not meet method specifications and was biased on the low side for this compound.

Increased uncertainty is associated with the reported value which is likely to be biased on the low side.

V-05

Response factor is less than method specified minimum acceptable value. Reduced precision and accuracy may

be associated with reported result.

V-16

Continuing calibration did not meet method specifications and was biased on the high side. Data validation is not

affected since sample result was "not detected" for this compound.

V-20

Page 27 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

CertificationsAnalyte

CERTIFICATIONS

Certified Analyses included in this Report

EPA 420.1 in Water

CT,MA,NH,NY,RI,NC,ME,VAPhenol

SW-846 6010C in Water

CT,NH,NY,ME,NC,VAIron

SW-846 8082A in Water

CT,NH,NY,NC,ME,VAAroclor-1016

CT,NH,NY,NC,ME,VAAroclor-1016 [2C]

CT,NH,NY,NC,ME,VAAroclor-1221

CT,NH,NY,NC,ME,VAAroclor-1221 [2C]

CT,NH,NY,NC,ME,VAAroclor-1232

CT,NH,NY,NC,ME,VAAroclor-1232 [2C]

CT,NH,NY,NC,ME,VAAroclor-1242

CT,NH,NY,NC,ME,VAAroclor-1242 [2C]

CT,NH,NY,NC,ME,VAAroclor-1248

CT,NH,NY,NC,ME,VAAroclor-1248 [2C]

CT,NH,NY,NC,ME,VAAroclor-1254

CT,NH,NY,NC,ME,VAAroclor-1254 [2C]

CT,NH,NY,NC,ME,VAAroclor-1260

CT,NH,NY,NC,ME,VAAroclor-1260 [2C]

NCAroclor-1262

NCAroclor-1262 [2C]

NCAroclor-1268

NCAroclor-1268 [2C]

SW-846 8260C in Water

CT,NH,NY,MEAcetone

NH,NY,MEtert-Amyl Methyl Ether (TAME)

CT,NH,NY,MEBenzene

MEBromobenzene

NH,NY,MEBromochloromethane

CT,NH,NY,MEBromodichloromethane

CT,NH,NY,MEBromoform

CT,NH,NY,MEBromomethane

CT,NH,NY,ME2-Butanone (MEK)

NY,MEn-Butylbenzene

NY,MEsec-Butylbenzene

NY,MEtert-Butylbenzene

NH,NY,MEtert-Butyl Ethyl Ether (TBEE)

CT,NH,NY,MECarbon Disulfide

CT,NH,NY,MECarbon Tetrachloride

CT,NH,NY,MEChlorobenzene

CT,NH,NY,MEChlorodibromomethane

CT,NH,NY,MEChloroethane

CT,NH,NY,MEChloroform

CT,NH,NY,MEChloromethane

NY,ME2-Chlorotoluene

NY,ME4-Chlorotoluene

NH,NY,MEDibromomethane

Page 28 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

CertificationsAnalyte

CERTIFICATIONS

Certified Analyses included in this Report

SW-846 8260C in Water

CT,NY,ME1,2-Dichlorobenzene

CT,NH,NY,ME1,3-Dichlorobenzene

CT,NH,NY,ME1,4-Dichlorobenzene

NH,NY,MEDichlorodifluoromethane (Freon 12)

CT,NH,NY,ME1,1-Dichloroethane

CT,NH,NY,ME1,2-Dichloroethane

CT,NH,NY,ME1,1-Dichloroethylene

NY,MEcis-1,2-Dichloroethylene

CT,NH,NY,MEtrans-1,2-Dichloroethylene

CT,NH,NY,ME1,2-Dichloropropane

NY,ME1,3-Dichloropropane

NH,NY,ME2,2-Dichloropropane

NH,NY,ME1,1-Dichloropropene

CT,NH,NY,MEcis-1,3-Dichloropropene

CT,NH,NY,MEtrans-1,3-Dichloropropene

NH,NY,MEDiisopropyl Ether (DIPE)

CT,NH,NY,MEEthylbenzene

CT,NH,NY,MEHexachlorobutadiene

CT,NH,NY,ME2-Hexanone (MBK)

NY,MEIsopropylbenzene (Cumene)

CT,NH,NY,MEp-Isopropyltoluene (p-Cymene)

CT,NH,NY,MEMethyl tert-Butyl Ether (MTBE)

CT,NH,NY,MEMethylene Chloride

CT,NH,NY,ME4-Methyl-2-pentanone (MIBK)

NH,NY,MENaphthalene

CT,NH,NY,MEn-Propylbenzene

CT,NH,NY,MEStyrene

CT,NH,NY,ME1,1,1,2-Tetrachloroethane

CT,NH,NY,ME1,1,2,2-Tetrachloroethane

CT,NH,NY,METetrachloroethylene

CT,NH,NY,METoluene

NH,NY,ME1,2,3-Trichlorobenzene

CT,NH,NY,ME1,2,4-Trichlorobenzene

CT,NH,NY,ME1,1,1-Trichloroethane

CT,NH,NY,ME1,1,2-Trichloroethane

CT,NH,NY,METrichloroethylene

CT,NH,NY,METrichlorofluoromethane (Freon 11)

NH,NY,ME1,2,3-Trichloropropane

NY,ME1,2,4-Trimethylbenzene

NY,ME1,3,5-Trimethylbenzene

CT,NH,NY,MEVinyl Chloride

CT,NH,NY,MEm+p Xylene

CT,NH,NY,MEo-Xylene

SW-846 8270D in Water

CT,NY,NHAcenaphthene

CT,NY,NHAcenaphthylene

Page 29 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

CertificationsAnalyte

CERTIFICATIONS

Certified Analyses included in this Report

SW-846 8270D in Water

CT,NYAniline

CT,NY,NHAnthracene

CT,NY,NHBenzo(a)anthracene

CT,NY,NHBenzo(a)pyrene

CT,NY,NHBenzo(b)fluoranthene

CT,NY,NHBenzo(g,h,i)perylene

CT,NY,NHBenzo(k)fluoranthene

CT,NY,NHBis(2-chloroethoxy)methane

CT,NY,NHBis(2-chloroethyl)ether

CT,NY,NHBis(2-chloroisopropyl)ether

CT,NY,NHBis(2-Ethylhexyl)phthalate

CT,NY,NH4-Bromophenylphenylether

CT,NY,NHButylbenzylphthalate

CT,NY,NH4-Chloroaniline

CT,NY,NH2-Chloronaphthalene

CT,NY,NH2-Chlorophenol

CT,NY,NHChrysene

CT,NY,NHDibenz(a,h)anthracene

CT,NY,NHDibenzofuran

CT,NY,NHDi-n-butylphthalate

CT,NY,NH1,2-Dichlorobenzene

CT,NY,NH1,3-Dichlorobenzene

CT,NY,NH1,4-Dichlorobenzene

CT,NY,NH3,3-Dichlorobenzidine

CT,NY,NH2,4-Dichlorophenol

CT,NY,NHDiethylphthalate

CT,NY,NH2,4-Dimethylphenol

CT,NY,NHDimethylphthalate

CT,NY,NH2,4-Dinitrophenol

CT,NY,NH2,4-Dinitrotoluene

CT,NY,NH2,6-Dinitrotoluene

CT,NY,NHDi-n-octylphthalate

CT,NY,NHFluoranthene

NY,NHFluorene

CT,NY,NHHexachlorobenzene

CT,NY,NHHexachlorobutadiene

CT,NY,NHHexachloroethane

CT,NY,NHIndeno(1,2,3-cd)pyrene

CT,NY,NHIsophorone

CT,NY,NH2-Methylnaphthalene

CT,NY,NH2-Methylphenol

CT,NY,NH3/4-Methylphenol

CT,NY,NHNaphthalene

CT,NY,NHNitrobenzene

CT,NY,NH2-Nitrophenol

CT,NY,NH4-Nitrophenol

CT,NY,NHPentachlorophenol

Page 30 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

39 Spruce Street * East Longmeadow, MA 01028 * FAX 413/525-6405 * TEL. 413/525-2332

CertificationsAnalyte

CERTIFICATIONS

Certified Analyses included in this Report

SW-846 8270D in Water

CT,NY,NHPhenanthrene

CT,NY,NHPhenol

CT,NY,NHPyrene

CT,NY,NH1,2,4-Trichlorobenzene

CT,NY,NH2,4,5-Trichlorophenol

CT,NY,NH2,4,6-Trichlorophenol

The CON-TEST Environmental Laboratory operates under the following certifications and accreditations:

Code Description Number Expires

100033AIHA-LAP, LLCAIHA 02/1/2014

M-MA100Massachusetts DEPMA 06/30/2013

PH-0567Connecticut Department of Publilc HealthCT 09/30/2013

10899 NELAPNew York State Department of HealthNY 04/1/2014

2516 NELAPNew Hampshire Environmental LabNH-S 02/5/2014

LAO00112Rhode Island Department of HealthRI 12/30/2013

652North Carolina Div. of Water QualityNC 12/31/2013

MA007 NELAPNew Jersey DEPNJ 06/30/2013

E871027 NELAPFlorida Department of HealthFL 06/30/2013

LL015036Vermont Department of Health Lead LaboratoryVT 07/30/2013

C2065State of Washington Department of EcologyWA 02/23/2014

2011028State of MaineME 06/9/2013

460217Commonwealth of VirginiaVA 12/14/2013

2557 NELAPNew Hampshire Environmental LabNH-P 09/6/2012

Page 31 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

Page 32 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

Page 33 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

MADEP MCP Analytical Method Report Certification Form

Laboratory Name: Con-Test Analytical Laboratory Project #:

Project Location:

This Form provides certifications for the following data set: [list Laboratory Sample ID Number(s)]

13D1148

13D1148-01 thru 13D1148-02

8260 VOC

CAM II A (X)

8151 Herbicides

CAM V C ( )

8330 Explosives

CAM VIII A ( )

6010 Metals

CAM III A ( )

7470/7471 Hg

CAM IIIB ( )

8270 SVOC

CAM II B (X)

8081 Pesticides

CAM V B ( )

MassDEP VPH

CAM IV A ( )

6020 Metals

CAM III D ( )

9014 Total

Cyanide/PAC

CAM VI A ( )

8082 PCB

CAM V A (X)

6860 Perchlorate

CAM VIII B ( )

MassDEP EPH

CAM IV A ( )

7010 Metals

CAM III C ( )

7196 Hex Cr

CAM VI B ( )

MassDEP APH

CAM IX A ( )

TO-15 VOC

CAM IX B ( )

8 Forest St., Medford, MA

Matrices:

RTN:

Water

CAM Protocol (check all that below)

Affirmative response to Questions A throughF is required for �Presumptive Certainty� status

ü

AYes No¹

Were all samples received in a condition consistent with those described on the Chain-of-Custody,

properly preserved (including temperature) in the field or laboratory, and prepared/analyzed within

method holding times?

ü

BYes No¹

Were the analytical method(s) and all associated QC requirements specificed in the selected CAM

protocol(s) followed?

ü

CYes No¹

Were all required corrective actions and analytical response actions specified in the selected CAM

protocol(s) implemented for all identified performance standard non-conformances?

ü

DYes No¹

Does the laboratory report comply with all the reporting requirements specified in CAM VII A,

Quality Assurance and Quality Control Guidlines for the Acquisition and Reporting of Analytical

Data?

E aYes No¹

VPH, EPH, and APH Methods only: Was each method conducted without significant

modification(s)? (Refer to the individual method(s) for a list of significant modifications).

E bYes No¹

APH and TO-15 Methods only: Was the complete analyte list reported for each method?

ü

FYes No¹

Were all applicable CAM protocol QC and performance standard non-conformances identified and

evaluated in a laboratory narrative (including all No responses to Qestions A through E)?

G Were the reporting limits at or below all CAM reporting limits specified in the selected CAM

protocol(s)? Yes ü No¹

A response to questions G, H and I below is required for �Presumptive Certainty� status

Were all QC perfomance standards specified in the CAM protocol(s) achieved? Yes ü No¹H

Data User Note: Data that achieve "Presumptive Certainty" status may not necessarily meet the data usability

and representativeness requirements described in 310 CMR 40. 1056 (2)(k) and WSC-07-350.

ü

IYes No¹

Were results reported for the complete analyte list specified in the selected CAM protocol(s)?

I, the undersigned, attest under the pains and penalties of perjury that, based upon my personal inquiry of

those responsible for obtaining the information, the material contained in this analytical report is, to the best

of my knowledge and belief, accurate and complete.

¹All Negative responses must be addressed in an attached Environmental Laboratory case narrative.

Signature:

Printed Name:

Position:

Date:

Laboratory Director

Michael A. Erickson 05/06/13

Page 34 of 34 13D1148_1 Contest_Final 05 06 13 1643 05/06/13 16:44:00

APPENDIX C

US Geological Survey Streamstats Delineation of the Mystic River Watershed Upstream from the Discharge Point

Streamflow Statistics Report

file:////CP-ABCSERVER-HP/Users/Public/ABC-Clean%20Properties%20Network/Medford%20Forest%20St%200549/Permits/Streamstats/Streamflow%20Statistics%20Report.htm[6/27/2013 4:16:13 PM]

Streamstats Ungaged Site Report

Date: Thu Jun 27 2013 08:47:39 Mountain Daylight TimeSite Location: MassachusettsNAD27 Latitude: 42.4176 (42 25 03)NAD27 Longitude: -71.1104 (-71 06 38)NAD83 Latitude: 42.4177 (42 25 04)NAD83 Longitude: -71.1099 (-71 06 36)ReachCode: 01090001000242Measure: 37.60Drainage Area: 47.2 mi2 Percent Urban: 79.7 %Percent Impervious: 41.3 %

Low Flows Basin Characteristics100% Statewide Low Flow (47.2 mi2)

Parameter Value Regression Equation Valid Range

Min Max

Drainage Area (square miles) 47.2 1.61 149

Mean Basin Slope from 250K DEM (percent) 2.43 0.32 24.6

Stratified Drift per Stream Length (square mile per mile) 0.25 0 1.29

Massachusetts Region (dimensionless) 0 0 1

Probability of Perennial Flow Basin Characteristics100% Perennial Flow Probability (47.2 mi2)

Parameter Value Regression Equation Valid Range

Min Max

Drainage Area (square miles) 47.2 (above max value 1.99) 0.01 1.99

Percent Underlain By Sand And Gravel (percent) 44.80 0 100

Percent Forest (percent) 11.96 0 100

Massachusetts Region (dimensionless) 0 0 1

Warning: Some parameters are outside the suggested range. Estimates will be extrapolations with unknown errors.

Low Flows Streamflow Statistics

Statistic Flow (ft3/s) Prediction Error (percent)Equivalentyears ofrecord

90-Percent Prediction Interval

Minimum Maximum

D50 48.7 18 27.4 86

D60 38.4 20 16.1 91.1

D70 25.8 24 10.3 64.2

D75 20.8 26 8.34 51.2

D80 17.3 28 6.8 43.2

D85 13.4 32 5.15 34.4

D90 10.7 37 3.92 28.5

D95 6.74 46 2.17 20.2

D98 4.42 60 1.24 14.9

D99 3.48 65 0.92 12.4

M7D2Y 6.97 50 2.12 22.1

AUGD50 14.3 33 5.5 36.8

M7D10Y 3.33 71 0.83 12.5

The equation for estimating the probability of perennial flow is applicable for most areas of Massachusetts except eastern Buzzards Bay, Cape Cod, and the Islandregions. The estimate obtained from the equation assumes natural flow conditions at the site. The equation also is best used for sites with drainage areas between 0.01to 1.99 mi2, as errors beyond for basins beyond these bounds are unknown.

Streamflow Statistics Report

file:////CP-ABCSERVER-HP/Users/Public/ABC-Clean%20Properties%20Network/Medford%20Forest%20St%200549/Permits/Streamstats/Streamflow%20Statistics%20Report.htm[6/27/2013 4:16:13 PM]

Probability of Perennial Flow StatisticsStatistic Value Standard Error (percent)

PROBPEREN 1

APPENDIX D

Massachusetts Year 2012 Integrated List of Waters

Final Listing of the Condition of Massachusetts’ Wa ters Pursuant to Sections 305(b), 314 and 303(d) of the Clean Water Act

Featuring new water quality assessments for the Bla ckstone, Boston Harbor (including

Mystic, Neponset and Weymouth/Weir), Merrimack and Parker watersheds and the Cape Cod coastal drainage areas

Commonwealth of Massachusetts Executive Office of Energy and Environmental Affair s

Richard K. Sullivan, Jr., Secretary Massachusetts Department of Environmental Protectio n

Kenneth L. Kimmell, Commissioner Bureau of Resource Protection

Bethany A. Card, Assistant Commissioner

Massachusetts Category 5 Waters "Waters requiring a TMDL"

March, 2013 (4) * TMDL not required (Non-pollutant) Final Massachusetts Year 2012 Integrated List of Waters CN 400.1 155

NAME SEGMENT ID DESCRIPTION SIZE UNITS IMPAIRMENT CAUSE

EPA TMDL NO.

Lee River MA61-01 From confluence with Lewin Brook, Swansea to Route 6, Swansea/Somerset

0.02 SQUARE MILES

Fecal Coliform 38905

Nutrient/Eutrophication Biological Indicators

Lee River MA61-02 Route 6, Swansea/Somerset to mouth at Mount Hope Bay, Swansea/Somerset

0.51 SQUARE MILES

(Debris/Floatables/Trash*)

Chlorophyll-a

Fecal Coliform 38906

Nitrogen (Total)

Oxygen, Dissolved

Taste and Odor

Mount Hope Bay MA61-06 the Massachusetts portion from the Braga Bridge, Fall River/Somerset to the state border Fall River, MA/Tiverton, RI to the line from Braton Point Somerset to MA/RI border approximately 3/4 of a mile due east of Spar Island, RI

2.29 SQUARE MILES

Chlorophyll-a

Fecal Coliform 38908

Fishes Bioassessments

Nitrogen (Total)

Temperature, water

Mount Hope Bay MA61-07 the Massachusetts portion from mouth of Cole River (at old railway grade), Swansea to state border Swansea, MA/Warren, RI to the line from Brayton Point, Somerset to MA/RI border approximately 3/4 of a mile due east of Spar Island, RI to the line between Bay Point, Swansea and Brayton Point, Somerset (the mouth of the Lee River)

1.84 SQUARE MILES

Chlorophyll-a

Fecal Coliform 38909

Fishes Bioassessments

Nitrogen (Total)

Oxygen, Dissolved

Temperature, water

Mystic Aberjona River MA71-01 Source just south of Birch Meadow Drive, Reading

to inlet Upper Mystic Lake at Mystic Valley Parkway, Winchester (portion culverted underground). (through former pond segments Judkins Pond MA71021 and Mill Pond MA71031).

9.1 MILES (Physical substrate habitat alterations*)

Ammonia (Un-ionized)

Aquatic Macroinvertebrate Bioassessments

Arsenic

Escherichia coli

Oxygen, Dissolved

Phosphorus (Total)

Sediment Bioassays -- Chronic Toxicity Freshwater

Turbidity

Massachusetts Category 5 Waters "Waters requiring a TMDL"

March, 2013 (4) * TMDL not required (Non-pollutant) Final Massachusetts Year 2012 Integrated List of Waters CN 400.1 156

NAME SEGMENT ID DESCRIPTION SIZE UNITS IMPAIRMENT CAUSE

EPA TMDL NO.

Alewife Brook MA71-04 Outlet of Little Pond, Belmont to confluence with Mystic River, Arlington/Somerville (portion in Belmont and Cambridge identified as Little River with name changing to Alewife Brook at Arlington corporate boundary).

2.3 MILES (Debris/Floatables/Trash*)

Copper

Escherichia coli

Foam/Flocs/Scum/Oil Slicks

Lead

Oxygen, Dissolved

PCB in Fish Tissue

Phosphorus (Total)

Secchi disk transparency

Sediment Bioassays -- Chronic Toxicity Freshwater

Taste and Odor

Belle Isle Inlet MA71-14 From tidegate at Bennington Street, Boston/Revere to confluence with Winthrop Bay, Boston/Winthrop.

0.12 SQUARE MILES

Fecal Coliform

Other

PCB in Fish Tissue

Blacks Nook MA71005 Cambridge 2 ACRES (Non-Native Aquatic Plants*)

Nutrient/Eutrophication Biological Indicators

Secchi disk transparency

Chelsea River MA71-06 From confluence with Mill Creek, Chelsea/Revere to confluence with Boston Inner Harbor, Chelsea/East Boston/Charlestown.

0.38 SQUARE MILES

(Debris/Floatables/Trash*)

Ammonia (Un-ionized)

Fecal Coliform

Other

Oxygen, Dissolved

PCB in Fish Tissue

Petroleum Hydrocarbons

Sediment Screening Value (Exceedence)

Taste and Odor

Turbidity

Clay Pit Pond MA71011 Belmont 12 ACRES Chlordane

Ell Pond MA71014 Melrose 23 ACRES Chlorophyll-a

Fecal Coliform

Phosphorus (Total)

Secchi disk transparency

Total Suspended Solids (TSS)

Massachusetts Category 5 Waters "Waters requiring a TMDL"

March, 2013 (4) * TMDL not required (Non-pollutant) Final Massachusetts Year 2012 Integrated List of Waters CN 400.1 157

NAME SEGMENT ID DESCRIPTION SIZE UNITS IMPAIRMENT CAUSE

EPA TMDL NO.

Horn Pond MA71019 Woburn 108 ACRES (Non-Native Aquatic Plants*)

Excess Algal Growth

Oxygen, Dissolved

Phosphorus (Total)

Lower Mystic Lake MA71027 Arlington/Medford 93 ACRES DDT

Oxygen, Dissolved

PCB in Fish Tissue

Salinity

Sediment Bioassays -- Chronic Toxicity Freshwater

Sulfide-Hydrogen Sulfide

Malden River MA71-05 Headwaters south of Exchange Street, Malden to confluence with Mystic River, Everett/Medford.

2.3 MILES (Debris/Floatables/Trash*)

Chlordane

DDT

Dissolved oxygen saturation

Escherichia coli

Fecal Coliform

Foam/Flocs/Scum/Oil Slicks

Oxygen, Dissolved

PCB in Fish Tissue

pH, High

Phosphorus (Total)

Secchi disk transparency

Sediment Bioassays -- Chronic Toxicity Freshwater

Taste and Odor

Total Suspended Solids (TSS)

Mill Brook MA71-07 Headwaters south of Massachusetts Avenue, Lexington to inlet of Lower Mystic Lake, Arlington (portions culverted underground).

3.9 MILES (Physical substrate habitat alterations*)

Escherichia coli

Mill Creek MA71-08 From Route 1, Chelsea/Revere to confluence with Chelsea River, Chelsea/Revere.

0.02 SQUARE MILES

Fecal Coliform

Other

PCB in Fish Tissue

Massachusetts Category 5 Waters "Waters requiring a TMDL"

March, 2013 (4) * TMDL not required (Non-pollutant) Final Massachusetts Year 2012 Integrated List of Waters CN 400.1 158

NAME SEGMENT ID DESCRIPTION SIZE UNITS IMPAIRMENT CAUSE

EPA TMDL NO.

Mystic River MA71-02 Outlet Lower Mystic Lake, Arlington/Medford to Amelia Earhart Dam, Somerville/Everett.

4.9 MILES (Fish-Passage Barrier*)

Arsenic

Chlordane

Chlorophyll-a

DDT

Dissolved oxygen saturation

Escherichia coli

PCB in Fish Tissue

Phosphorus (Total)

Secchi disk transparency

Sediment Bioassays -- Chronic Toxicity Freshwater

Mystic River MA71-03 Amelia Earhart Dam, Somerville/Everett to confluence with Boston Inner Harbor, Chelsea/Charlestown (Includes Island End River).

0.49 SQUARE MILES

Sediment Screening Value (Exceedence)

Ammonia (Un-ionized)

Fecal Coliform

Foam/Flocs/Scum/Oil Slicks

Other

Oxygen, Dissolved

PCB in Fish Tissue

Petroleum Hydrocarbons

Taste and Odor

Spy Pond MA71040 Arlington 98 ACRES (Eurasian Water Milfoil, Myriophyllum spicatum*)

Chlordane

DDT

Excess Algal Growth

Oxygen, Dissolved

Phosphorus (Total)

Unnamed Tributary MA71-13 Unnamed tributary locally known as 'Meetinghouse Brook', from emergence south of Route 16/east of Winthrop Street, Medford to confluence with the Mystic River, Medford. (brook not apparent on 1985 Boston North USGS quad - 2005 orthophotos used to delineate stream)

0.1 MILES Escherichia coli

Massachusetts Category 5 Waters "Waters requiring a TMDL"

March, 2013 (4) * TMDL not required (Non-pollutant) Final Massachusetts Year 2012 Integrated List of Waters CN 400.1 159

NAME SEGMENT ID DESCRIPTION SIZE UNITS IMPAIRMENT CAUSE

EPA TMDL NO.

Upper Mystic Lake MA71043 Winchester/Arlington/Medford 176 ACRES (Non-Native Aquatic Plants*)

Dissolved oxygen saturation

Oxygen, Dissolved

Wedge Pond MA71045 Winchester 23 ACRES Oxygen, Dissolved

Phosphorus (Total)

Winn Brook MA71-09 Headwaters near Juniper Road and the Belmont Hill School, Belmont to confluence with Little Pond, Belmont (portions culverted underground).

1.4 MILES (Physical substrate habitat alterations*)

Escherichia coli

Winter Pond MA71047 Winchester 18 ACRES (Non-Native Aquatic Plants*)

Nutrient/Eutrophication Biological Indicators

Narragansett Bay Palmer River MA53-04 From confluence of East and West Branches of the

Palmer River, Rehoboth to the Shad Factory Pond dam, Rehoboth

5.6 MILES (Low flow alterations*)

Fecal Coliform 35086

Nutrient/Eutrophication Biological Indicators

Runnins River MA53-01 Route 44, Seekonk to Mobile Dam, Seekonk, MA/East Providence, RI (through Burrs Pond formerly segment MA53001)

3.7 MILES (Debris/Floatables/Trash*)

Aquatic Macroinvertebrate Bioassessments

Fecal Coliform 38903

Mercury in Fish Tissue 33880

Nutrient/Eutrophication Biological Indicators

Oil and Grease

Oxygen, Dissolved

Nashua Asnebumskit Brook MA81-56 From outlet Eagle Lake, Holden to the confluence

with the Quinapoxet River, Holden. 2.9 MILES Ambient Bioassays -- Chronic Aquatic

Toxicity

Bartlett Pond MA81008 Lancaster 5 ACRES Escherichia coli

Fort Pond MA81046 Lancaster 76 ACRES Oxygen, Dissolved

Gates Brook MA81-24 Headwaters west of Prospect Street, West Boylston to inlet Wachusett Reservoir (Gates Cove), West Boylston.

3.4 MILES Fecal Coliform

APPENDIX E

Section 6e Historic Places Documentation

The National Register of Historic Places (NRHP) and Massachusetts Cultural Information Resource System (MCIRS) Databases were searched June 12, 2013.

According to the National Register of Historic Places Database and Massachusetts Cultural Information Resource System Database, the following listed addresses are in the vicinity of the discharge that is the subject of this Notice of Intent:

20-30 High Street

43 High Street

Bigelow Block (NE corner of Forest and Salem Streets)

US Post Office (20 Forest Street)

Salem Street Burying Ground (Medford Square)

The Medford Historical Society was not able to determine the eligibility of 8 Forest St and 5 High Street for inclusion on the National Historic Register. Per Criteria 2, the project does involve new construction and/or the demolition or rehabilitation of existing buildings or other structures or facilities and historic properties are not affected by the discharge or identified in the path of the discharges regulated by this permit and are not identified where installation or construction of treatment systems or BMPs to control such discharges (e.g., diversion channels or retention ponds) are planned.

APPENDIX F

Rev 5/1/2012 Page 1 of 4

SAFETY DATA SHEET for OZONE (Formerly MSDS)

1. PRODUCT IDENTIFICATION

Product Name: Ozone

Common Names/Synonyms: Triatomic Oxygen, Trioxygen, O3

Ozone Generator Manufacturer/Supplier

Ozone Solutions, Inc. website: www.ozonesolutions.com

451 Black Forest Rd. email: tech@ozonesolutions.com

Hull, IA 51239

712-439-6880

Product Use: This SDS is limited to ozone produced in gaseous form on site by an ozone

generator, in varying concentrations in either air or aqueous solution, for the purposes of odor

abatement, oxidation of organic compounds, or antimicrobial intervention, in a variety of

applications, from food processing to ground water remediation.

2. HAZARD IDENTIFICATION

GHS Classifications:

Physical Hazards Health Hazards Environmental Hazards

Oxidizing Gas Skin Irritation – Category 3 Acute Aquatic Toxicity

– Category I Eye Irritation – Category 2B

Respiratory Systemic Toxicity – Category 1

(Acute & Repeated Exposures)

NOTE: Severe respiratory toxicity will develop before skin or eye irritation go beyond listed

categories. Anyone with chronic pulmonary problems, especially asthma, should avoid

exposure to ozone.

WHMIS Classifications (Workplace Hazardous Materials Information System, Canada)

D1A Acute lethality – Very toxic, immediately C Oxidizing

D2A Chronic Toxicity –Very Toxic F Dangerously Reactive

D2B Mutagenicity – Toxic

3. COMPOSITION

Chemical name Ozone

Common names Triatomic oxygen, trioxygen

Chemical Formula O3

CAS Registry Number 10028-15-6

Rev 5/1/2012 Page 2 of 4

4. FIRST AID MEASURES

Route of Entry Symptoms First Aid

Skin Contact YES Irritation Rinse with water

Skin Absorption NO NA NA

Eye Contact YES Irritation Rinse with water, remove

contacts

Ingestion NO NA NA

Inhalation YES Headache, cough, dry throat,

heavy chest, shortness of breath

Remove to fresh air, provide

oxygen therapy as needed

For severe cases, or when symptoms don’t improve, seek medical help.

5. FIRE FIGHTING MEASURES

While ozone itself is not flammable, it is a strong oxidant and may accelerate, even initiate,

combustion, or cause explosions. Use whatever extinguishing agents are indicated for burning

materials.

6. ACCIDENTAL RELEASE MEASURES

Turn off ozone generator, and ventilate the area. Evacuate the area until ozone levels subside.

7. HANDLING AND STORAGE

Ozone must be contained within ozone-resistant tubing and pipes from the generation point to

the application point. Any leaks must be repaired before further use.

8. EXPOSURE CONTROLS/PERSONAL PROTECTION

OSHA Permissible Exposure Limit: 8 hour Time Weighted Average 0.1 ppm

ANSI/ASTM: 8 hour TWA 0.1 ppm, Short Term Exposure Limit 0.3 ppm

ACGIH: 8 hour TWA 0.1 ppm; STEL 0.3 ppm

NIOSH: Exposure Limit Ceiling Value 0.1 ppm light; 0.08 ppm moderate; 0.05 ppm, heavy;

Light, moderate, heavy work TWA <= 2 hours, .2 ppm

Immediately Dangerous to Life or Health 5 ppm

Respiratory Protection: Use full face self-contained breathing apparatus for entering areas with

high concentration of ozone.

Engineering controls: use ozone destruct units (thermal and/or catalytic) for off gassing ozone.

9. PHYSICAL AND CHEMICAL PROPERTIES

Physical state Gas pH NA

Molecular Weight 48.0 Flash point NA

Appearance Clear at low concentrations,

blue at higher concentrations

Evaporation rate NA

Odor Distinctive pungent odor Flammability NA

Odor threshold 0.02 to 0.05 ppm; exposure

desensitizes

Explosive limits NA

Rev 5/1/2012 Page 3 of 4

Melting point -193oC/-315

oF Relative density NA

Boiling point -112oC/-169

oF Partition coefficient NA

Vapor pressure > 1 atm Auto-ignition temperature NA

Vapor density 1.6 (air = 1) Decomposition temperature NA

Solubility in water 570 mg/L @20oC, 100% O3;

0.64 @0oC (vol/vol)

Viscosity NA

10. STABILITY AND REACTIVITY

Ozone is highly unstable and highly reactive. Avoid contact with oxidizable substances,

including alkenes, benzene and other aromatic compounds, rubber, dicyanogen, bromine diethyl

ether, dintrogen tetroxide, nitrogen trichloride, hydrogen bromide, and tetraluorohydrazine.

Ozone will readily react and spontaneously decompose under normal ambient temperatures.

11. TOXICOLOGICAL INFORMATION

Likely routes of exposure: inhalation, eyes, skin exposure.

Effects of Acute Exposure: Discomfort, including headache, coughing, dry throat, shortness of

breath, heavy feeling in chest (including possible pulmonary edema/fluid in the lungs);

higher levels of exposure intensify symptoms. Irritation of skin and/or eyes is also possible.

Effects of Chronic Exposure: Similar to acute exposure effects, with possible development of

chronic breathing disorders, including asthma.

Inhalation LC50: mice, 12.6 ppm for 3 hours; hamsters, 35.5 ppm for 3 hours

Irritancy of Ozone YES

Sensitization to Ozone NO

Carcinogenicity (NTP, IARC, OSHA) NO

Reproductive Toxicity Not Proven

Teratogenicity Not Proven

Mutagenicity Not Proven

Toxicologically Synergistic Products Increase susceptibility to allergens, pathogens, irritants

12. ECOLOGICAL INFORMATION

The immediate surrounding area may be adversely affected by an ozone release, particularly

plant life. Discharge of ozone in water solution would also be harmful to any aquatic life. Due to

natural decomposition, bioaccumulation will not occur, and the area affected would be limited.

13. DISPOSAL CONSIDERATIONS

Off-gassing of ozone should be through an ozone destruct unit which uses heat and/or a catalyst

to accomplish the breakdown of ozone to oxygen before release into the atmosphere.

14. TRANSPORT INFORMATION

NOT APPLICABLE, as ozone is unstable and either reacts with other substances in the

environment or decomposes, and therefore must be generated at the location and time of use.

Rev 5/1/2012 Page 4 of 4

15. REGULATORY INFORMATION

SARA = Superfund Amendments and Renewal Act

SARA Title III Section 302 Extremely Hazardous Substance TPQ: 100 lbs.

SARA Title III Section 304, EHS RQ: 100 lbs.

SARA Title III Section 313: Ozone is reportable if more than 10,000 lbs. are used/year.

TPQ (Threshold Planning Quantity) requires emergency planning activities if this amount is

on site at any time during year

RQ (Reportable Quantity) requires any release of this amount into the environment to be

reported to the National Response Center

Source: EPA List of Lists

16. OTHER INFORMATION

The half-life of ozone is much shorter in water than in air. Increased temperature in either

solvent decreases the half-life. Published research indicates a half-life of 20 minutes for ozone

dissolved in water at 20oC, and a half-life of approximately 25 hours for ozone in dry air at 24

oC

(McClurkin & Maier, 2010). The practical half-life time is actually less, especially in air, due to

air circulation, humidity, the presence of contaminants or walls with which to react, etc. In many

situations, with air movement, warmer temperatures, and normal relative humidity, the half-life

of ozone in air could be 1 hour or less. Further, ventilation of a closed space to other areas will

also disperse the ozone, so that concentration levels can rapidly decrease after generation ceases.

Source websites:

Canadian Centre for Occupational Health and Safety: Chemical Profiles: Ozone

http://www.ccohs.ca/oshanswers/chemicals/chem_profiles/ozone/

Haz-Map: Occupational Exposure to Hazardous Agents: Ozone

http://hazmap.nlm.nih.gov/cgi-bin/hazmap_generic?tbl=TblAgents&id=68

International Chemical Safety Cards #0068: Ozone

http://www.cdc.gov/niosh/ipcsneng/neng0068.html

NIOSH Pocket Guide to Chemical Hazards: Ozone http://www.cdc.gov/niosh/npg/npgd0476.html

United States National Library of Medicine ChemIDplus Lite: Ozone 10028-15-6

http://chem.sis.nlm.nih.gov/chemidplus/ProxyServlet?objectHandle=DBMaint&actionHandle=de

fault&nextPage=jsp/chemidlite/ResultScreen.jsp&TXTSUPERLISTID=0010028156

Preparer: Tim McConnel, Ozone Solutions

Date of Preparation: 5/1/2012

Disclaimer: Ozone Solutions provides this information in good faith, but makes no claim as to its

comprehensiveness or accuracy. It is intended solely as a guide for the safe handling of the

product by properly trained personnel, and makes no representations or warranties, express or

implied, of the merchantability or fitness of the product for any purpose, and Ozone Solutions

will not be responsible for any damages resulting from the use of, or reliance upon, this

information.